Home / 1,140,034.32-1,573,109-656,755.92

Finding the Fourth Proportional to 1,140,034.32, 1,573,109 and 656,755.92

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Solution

The fourth proportional to 1,140,034.32, 1,573,109 and 656,755.92 is: 906,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,034.32 : 1,573,109 = 656,755.92 : x
  2. Step 2: Convert to fraction form
    1,140,034.32/1,573,109 = 656,755.92/x
  3. Step 3: Cross multiply
    1,140,034.32x = 1,573,109 × 656,755.92
  4. Step 4: Simplify right side
    1,140,034.32x = 1,033,148,648,555.28
  5. Step 5: Solve for x
    x = 1,033,148,648,555.28/1,140,034.32
  6. Step 6: Final answer
    x = 906,243.46

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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.