Home / 866,056.52-1,299,347.22-392,614.76

Finding the Fourth Proportional to 866,056.52, 1,299,347.22 and 392,614.76

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Solution

The fourth proportional to 866,056.52, 1,299,347.22 and 392,614.76 is: 589,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,056.52 : 1,299,347.22 = 392,614.76 : x
  2. Step 2: Convert to fraction form
    866,056.52/1,299,347.22 = 392,614.76/x
  3. Step 3: Cross multiply
    866,056.52x = 1,299,347.22 × 392,614.76
  4. Step 4: Simplify right side
    866,056.52x = 510,142,896,936.97
  5. Step 5: Solve for x
    x = 510,142,896,936.97/866,056.52
  6. Step 6: Final answer
    x = 589,041.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.