Home / 1,112,501.70-1,668,752.55-271,053.45

Finding the Fourth Proportional to 1,112,501.70, 1,668,752.55 and 271,053.45

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Solution

The fourth proportional to 1,112,501.70, 1,668,752.55 and 271,053.45 is: 406,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,501.70 : 1,668,752.55 = 271,053.45 : x
  2. Step 2: Convert to fraction form
    1,112,501.70/1,668,752.55 = 271,053.45/x
  3. Step 3: Cross multiply
    1,112,501.70x = 1,668,752.55 × 271,053.45
  4. Step 4: Simplify right side
    1,112,501.70x = 452,321,135,873.80
  5. Step 5: Solve for x
    x = 452,321,135,873.80/1,112,501.70
  6. Step 6: Final answer
    x = 406,580.18

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.