Home / 926,353.50-1,278,402.39-523,936.86

Finding the Fourth Proportional to 926,353.50, 1,278,402.39 and 523,936.86

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Solution

The fourth proportional to 926,353.50, 1,278,402.39 and 523,936.86 is: 723,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,353.50 : 1,278,402.39 = 523,936.86 : x
  2. Step 2: Convert to fraction form
    926,353.50/1,278,402.39 = 523,936.86/x
  3. Step 3: Cross multiply
    926,353.50x = 1,278,402.39 × 523,936.86
  4. Step 4: Simplify right side
    926,353.50x = 669,802,134,033.10
  5. Step 5: Solve for x
    x = 669,802,134,033.10/926,353.50
  6. Step 6: Final answer
    x = 723,052.41

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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.