Home / 866,017.32-1,195,055.60-478,810.32

Finding the Fourth Proportional to 866,017.32, 1,195,055.60 and 478,810.32

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Solution

The fourth proportional to 866,017.32, 1,195,055.60 and 478,810.32 is: 660,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,017.32 : 1,195,055.60 = 478,810.32 : x
  2. Step 2: Convert to fraction form
    866,017.32/1,195,055.60 = 478,810.32/x
  3. Step 3: Cross multiply
    866,017.32x = 1,195,055.60 × 478,810.32
  4. Step 4: Simplify right side
    866,017.32x = 572,204,951,859.74
  5. Step 5: Solve for x
    x = 572,204,951,859.74/866,017.32
  6. Step 6: Final answer
    x = 660,731.53

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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.