Home / 866,002.14-1,195,064.24-478,802.66

Finding the Fourth Proportional to 866,002.14, 1,195,064.24 and 478,802.66

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Solution

The fourth proportional to 866,002.14, 1,195,064.24 and 478,802.66 is: 660,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,002.14 : 1,195,064.24 = 478,802.66 : x
  2. Step 2: Convert to fraction form
    866,002.14/1,195,064.24 = 478,802.66/x
  3. Step 3: Cross multiply
    866,002.14x = 1,195,064.24 × 478,802.66
  4. Step 4: Simplify right side
    866,002.14x = 572,199,936,982.88
  5. Step 5: Solve for x
    x = 572,199,936,982.88/866,002.14
  6. Step 6: Final answer
    x = 660,737.32

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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.