Home / 866,014.36-1,195,051.61-478,807.38

Finding the Fourth Proportional to 866,014.36, 1,195,051.61 and 478,807.38

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Solution

The fourth proportional to 866,014.36, 1,195,051.61 and 478,807.38 is: 660,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,014.36 : 1,195,051.61 = 478,807.38 : x
  2. Step 2: Convert to fraction form
    866,014.36/1,195,051.61 = 478,807.38/x
  3. Step 3: Cross multiply
    866,014.36x = 1,195,051.61 × 478,807.38
  4. Step 4: Simplify right side
    866,014.36x = 572,199,531,545.90
  5. Step 5: Solve for x
    x = 572,199,531,545.90/866,014.36
  6. Step 6: Final answer
    x = 660,727.53

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Double scale
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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.