Home / 1,112,020.20-1,668,030.30-437,877.45

Finding the Fourth Proportional to 1,112,020.20, 1,668,030.30 and 437,877.45

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Solution

The fourth proportional to 1,112,020.20, 1,668,030.30 and 437,877.45 is: 656,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,020.20 : 1,668,030.30 = 437,877.45 : x
  2. Step 2: Convert to fraction form
    1,112,020.20/1,668,030.30 = 437,877.45/x
  3. Step 3: Cross multiply
    1,112,020.20x = 1,668,030.30 × 437,877.45
  4. Step 4: Simplify right side
    1,112,020.20x = 730,392,854,286.74
  5. Step 5: Solve for x
    x = 730,392,854,286.74/1,112,020.20
  6. Step 6: Final answer
    x = 656,816.18

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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.