Home / 1,112,346.10-1,668,519.15-606,711.70

Finding the Fourth Proportional to 1,112,346.10, 1,668,519.15 and 606,711.70

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Solution

The fourth proportional to 1,112,346.10, 1,668,519.15 and 606,711.70 is: 910,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,346.10 : 1,668,519.15 = 606,711.70 : x
  2. Step 2: Convert to fraction form
    1,112,346.10/1,668,519.15 = 606,711.70/x
  3. Step 3: Cross multiply
    1,112,346.10x = 1,668,519.15 × 606,711.70
  4. Step 4: Simplify right side
    1,112,346.10x = 1,012,310,089,979.05
  5. Step 5: Solve for x
    x = 1,012,310,089,979.05/1,112,346.10
  6. Step 6: Final answer
    x = 910,067.55

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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.