Home / 574,935.17-787,664.00-553,386.74

Finding the Fourth Proportional to 574,935.17, 787,664.00 and 553,386.74

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Solution

The fourth proportional to 574,935.17, 787,664.00 and 553,386.74 is: 758,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,935.17 : 787,664.00 = 553,386.74 : x
  2. Step 2: Convert to fraction form
    574,935.17/787,664.00 = 553,386.74/x
  3. Step 3: Cross multiply
    574,935.17x = 787,664.00 × 553,386.74
  4. Step 4: Simplify right side
    574,935.17x = 435,882,806,470.11
  5. Step 5: Solve for x
    x = 435,882,806,470.11/574,935.17
  6. Step 6: Final answer
    x = 758,142.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.