Home / 970,098.80-1,338,766.69-556,711.20

Finding the Fourth Proportional to 970,098.80, 1,338,766.69 and 556,711.20

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Solution

The fourth proportional to 970,098.80, 1,338,766.69 and 556,711.20 is: 768,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,098.80 : 1,338,766.69 = 556,711.20 : x
  2. Step 2: Convert to fraction form
    970,098.80/1,338,766.69 = 556,711.20/x
  3. Step 3: Cross multiply
    970,098.80x = 1,338,766.69 × 556,711.20
  4. Step 4: Simplify right side
    970,098.80x = 745,306,416,226.19
  5. Step 5: Solve for x
    x = 745,306,416,226.19/970,098.80
  6. Step 6: Final answer
    x = 768,278.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.