Home / 762,834.92-1,052,725.55-418,703.04

Finding the Fourth Proportional to 762,834.92, 1,052,725.55 and 418,703.04

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Solution

The fourth proportional to 762,834.92, 1,052,725.55 and 418,703.04 is: 577,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,834.92 : 1,052,725.55 = 418,703.04 : x
  2. Step 2: Convert to fraction form
    762,834.92/1,052,725.55 = 418,703.04/x
  3. Step 3: Cross multiply
    762,834.92x = 1,052,725.55 × 418,703.04
  4. Step 4: Simplify right side
    762,834.92x = 440,779,385,977.16
  5. Step 5: Solve for x
    x = 440,779,385,977.16/762,834.92
  6. Step 6: Final answer
    x = 577,817.53

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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.