Home / 866,157.23-1,195,304.73-478,998.88

Finding the Fourth Proportional to 866,157.23, 1,195,304.73 and 478,998.88

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Solution

The fourth proportional to 866,157.23, 1,195,304.73 and 478,998.88 is: 661,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,157.23 : 1,195,304.73 = 478,998.88 : x
  2. Step 2: Convert to fraction form
    866,157.23/1,195,304.73 = 478,998.88/x
  3. Step 3: Cross multiply
    866,157.23x = 1,195,304.73 × 478,998.88
  4. Step 4: Simplify right side
    866,157.23x = 572,549,624,385.39
  5. Step 5: Solve for x
    x = 572,549,624,385.39/866,157.23
  6. Step 6: Final answer
    x = 661,022.74

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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.