Home / 458,530.56-686,549.25-268,711.11

Finding the Fourth Proportional to 458,530.56, 686,549.25 and 268,711.11

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Solution

The fourth proportional to 458,530.56, 686,549.25 and 268,711.11 is: 402,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,530.56 : 686,549.25 = 268,711.11 : x
  2. Step 2: Convert to fraction form
    458,530.56/686,549.25 = 268,711.11/x
  3. Step 3: Cross multiply
    458,530.56x = 686,549.25 × 268,711.11
  4. Step 4: Simplify right side
    458,530.56x = 184,483,411,037.17
  5. Step 5: Solve for x
    x = 184,483,411,037.17/458,530.56
  6. Step 6: Final answer
    x = 402,336.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.