Home / 458,228.68-686,423.24-233,580.04

Finding the Fourth Proportional to 458,228.68, 686,423.24 and 233,580.04

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Solution

The fourth proportional to 458,228.68, 686,423.24 and 233,580.04 is: 349,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,228.68 : 686,423.24 = 233,580.04 : x
  2. Step 2: Convert to fraction form
    458,228.68/686,423.24 = 233,580.04/x
  3. Step 3: Cross multiply
    458,228.68x = 686,423.24 × 233,580.04
  4. Step 4: Simplify right side
    458,228.68x = 160,334,767,856.13
  5. Step 5: Solve for x
    x = 160,334,767,856.13/458,228.68
  6. Step 6: Final answer
    x = 349,901.21

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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.