Home / 831,601.45-1,246,910.10-433,020.70

Finding the Fourth Proportional to 831,601.45, 1,246,910.10 and 433,020.70

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Solution

The fourth proportional to 831,601.45, 1,246,910.10 and 433,020.70 is: 649,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,601.45 : 1,246,910.10 = 433,020.70 : x
  2. Step 2: Convert to fraction form
    831,601.45/1,246,910.10 = 433,020.70/x
  3. Step 3: Cross multiply
    831,601.45x = 1,246,910.10 × 433,020.70
  4. Step 4: Simplify right side
    831,601.45x = 539,937,884,339.07
  5. Step 5: Solve for x
    x = 539,937,884,339.07/831,601.45
  6. Step 6: Final answer
    x = 649,274.82

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Double scale
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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.