Home / 687,404.60-1,029,033.30-604,460.60

Finding the Fourth Proportional to 687,404.60, 1,029,033.30 and 604,460.60

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Solution

The fourth proportional to 687,404.60, 1,029,033.30 and 604,460.60 is: 904,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,404.60 : 1,029,033.30 = 604,460.60 : x
  2. Step 2: Convert to fraction form
    687,404.60/1,029,033.30 = 604,460.60/x
  3. Step 3: Cross multiply
    687,404.60x = 1,029,033.30 × 604,460.60
  4. Step 4: Simplify right side
    687,404.60x = 622,010,085,937.98
  5. Step 5: Solve for x
    x = 622,010,085,937.98/687,404.60
  6. Step 6: Final answer
    x = 904,867.51

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1.5x scale

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.