Home / 866,293.81-1,195,474.81-479,102.16

Finding the Fourth Proportional to 866,293.81, 1,195,474.81 and 479,102.16

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Solution

The fourth proportional to 866,293.81, 1,195,474.81 and 479,102.16 is: 661,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,293.81 : 1,195,474.81 = 479,102.16 : x
  2. Step 2: Convert to fraction form
    866,293.81/1,195,474.81 = 479,102.16/x
  3. Step 3: Cross multiply
    866,293.81x = 1,195,474.81 × 479,102.16
  4. Step 4: Simplify right side
    866,293.81x = 572,754,565,108.98
  5. Step 5: Solve for x
    x = 572,754,565,108.98/866,293.81
  6. Step 6: Final answer
    x = 661,155.09

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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.