Home / 913,037.38-1,260,395.20-545,644.20

Finding the Fourth Proportional to 913,037.38, 1,260,395.20 and 545,644.20

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Solution

The fourth proportional to 913,037.38, 1,260,395.20 and 545,644.20 is: 753,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,037.38 : 1,260,395.20 = 545,644.20 : x
  2. Step 2: Convert to fraction form
    913,037.38/1,260,395.20 = 545,644.20/x
  3. Step 3: Cross multiply
    913,037.38x = 1,260,395.20 × 545,644.20
  4. Step 4: Simplify right side
    913,037.38x = 687,727,330,587.84
  5. Step 5: Solve for x
    x = 687,727,330,587.84/913,037.38
  6. Step 6: Final answer
    x = 753,230.20

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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.