Home / 738,041.79-1,103,018.87-538,781.79

Finding the Fourth Proportional to 738,041.79, 1,103,018.87 and 538,781.79

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Solution

The fourth proportional to 738,041.79, 1,103,018.87 and 538,781.79 is: 805,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,041.79 : 1,103,018.87 = 538,781.79 : x
  2. Step 2: Convert to fraction form
    738,041.79/1,103,018.87 = 538,781.79/x
  3. Step 3: Cross multiply
    738,041.79x = 1,103,018.87 × 538,781.79
  4. Step 4: Simplify right side
    738,041.79x = 594,286,478,488.47
  5. Step 5: Solve for x
    x = 594,286,478,488.47/738,041.79
  6. Step 6: Final answer
    x = 805,220.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.