Home / 743,195.52-1,025,614.08-403,666.56

Finding the Fourth Proportional to 743,195.52, 1,025,614.08 and 403,666.56

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Solution

The fourth proportional to 743,195.52, 1,025,614.08 and 403,666.56 is: 557,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,195.52 : 1,025,614.08 = 403,666.56 : x
  2. Step 2: Convert to fraction form
    743,195.52/1,025,614.08 = 403,666.56/x
  3. Step 3: Cross multiply
    743,195.52x = 1,025,614.08 × 403,666.56
  4. Step 4: Simplify right side
    743,195.52x = 414,006,107,561.17
  5. Step 5: Solve for x
    x = 414,006,107,561.17/743,195.52
  6. Step 6: Final answer
    x = 557,062.17

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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.