Home / 913,053.53-1,260,417.44-545,660.28

Finding the Fourth Proportional to 913,053.53, 1,260,417.44 and 545,660.28

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Solution

The fourth proportional to 913,053.53, 1,260,417.44 and 545,660.28 is: 753,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,053.53 : 1,260,417.44 = 545,660.28 : x
  2. Step 2: Convert to fraction form
    913,053.53/1,260,417.44 = 545,660.28/x
  3. Step 3: Cross multiply
    913,053.53x = 1,260,417.44 × 545,660.28
  4. Step 4: Simplify right side
    913,053.53x = 687,759,734,591.43
  5. Step 5: Solve for x
    x = 687,759,734,591.43/913,053.53
  6. Step 6: Final answer
    x = 753,252.37

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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.