Home / 825,470.76-1,139,391.54-539,035.32

Finding the Fourth Proportional to 825,470.76, 1,139,391.54 and 539,035.32

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Solution

The fourth proportional to 825,470.76, 1,139,391.54 and 539,035.32 is: 744,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,470.76 : 1,139,391.54 = 539,035.32 : x
  2. Step 2: Convert to fraction form
    825,470.76/1,139,391.54 = 539,035.32/x
  3. Step 3: Cross multiply
    825,470.76x = 1,139,391.54 × 539,035.32
  4. Step 4: Simplify right side
    825,470.76x = 614,172,283,369.19
  5. Step 5: Solve for x
    x = 614,172,283,369.19/825,470.76
  6. Step 6: Final answer
    x = 744,026.70

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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.