Home / 738,078.30-1,103,073.10-538,818.30

Finding the Fourth Proportional to 738,078.30, 1,103,073.10 and 538,818.30

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Solution

The fourth proportional to 738,078.30, 1,103,073.10 and 538,818.30 is: 805,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,078.30 : 1,103,073.10 = 538,818.30 : x
  2. Step 2: Convert to fraction form
    738,078.30/1,103,073.10 = 538,818.30/x
  3. Step 3: Cross multiply
    738,078.30x = 1,103,073.10 × 538,818.30
  4. Step 4: Simplify right side
    738,078.30x = 594,355,971,170.68
  5. Step 5: Solve for x
    x = 594,355,971,170.68/738,078.30
  6. Step 6: Final answer
    x = 805,274.96

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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.