Home / 543,302.17-749,743.17-298,285.72

Finding the Fourth Proportional to 543,302.17, 749,743.17 and 298,285.72

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Solution

The fourth proportional to 543,302.17, 749,743.17 and 298,285.72 is: 411,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,302.17 : 749,743.17 = 298,285.72 : x
  2. Step 2: Convert to fraction form
    543,302.17/749,743.17 = 298,285.72/x
  3. Step 3: Cross multiply
    543,302.17x = 749,743.17 × 298,285.72
  4. Step 4: Simplify right side
    543,302.17x = 223,637,681,278.53
  5. Step 5: Solve for x
    x = 223,637,681,278.53/543,302.17
  6. Step 6: Final answer
    x = 411,626.70

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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.