Home / 913,040.00-1,260,398.78-545,646.78

Finding the Fourth Proportional to 913,040.00, 1,260,398.78 and 545,646.78

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Solution

The fourth proportional to 913,040.00, 1,260,398.78 and 545,646.78 is: 753,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,040.00 : 1,260,398.78 = 545,646.78 : x
  2. Step 2: Convert to fraction form
    913,040.00/1,260,398.78 = 545,646.78/x
  3. Step 3: Cross multiply
    913,040.00x = 1,260,398.78 × 545,646.78
  4. Step 4: Simplify right side
    913,040.00x = 687,732,535,140.87
  5. Step 5: Solve for x
    x = 687,732,535,140.87/913,040.00
  6. Step 6: Final answer
    x = 753,233.74

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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.