Home / 876,192.60-1,209,404.52-513,694.92

Finding the Fourth Proportional to 876,192.60, 1,209,404.52 and 513,694.92

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Solution

The fourth proportional to 876,192.60, 1,209,404.52 and 513,694.92 is: 709,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,192.60 : 1,209,404.52 = 513,694.92 : x
  2. Step 2: Convert to fraction form
    876,192.60/1,209,404.52 = 513,694.92/x
  3. Step 3: Cross multiply
    876,192.60x = 1,209,404.52 × 513,694.92
  4. Step 4: Simplify right side
    876,192.60x = 621,264,958,149.04
  5. Step 5: Solve for x
    x = 621,264,958,149.04/876,192.60
  6. Step 6: Final answer
    x = 709,050.68

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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.