Home / 653,127.30-901,326.83-358,789.43

Finding the Fourth Proportional to 653,127.30, 901,326.83 and 358,789.43

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Solution

The fourth proportional to 653,127.30, 901,326.83 and 358,789.43 is: 495,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,127.30 : 901,326.83 = 358,789.43 : x
  2. Step 2: Convert to fraction form
    653,127.30/901,326.83 = 358,789.43/x
  3. Step 3: Cross multiply
    653,127.30x = 901,326.83 × 358,789.43
  4. Step 4: Simplify right side
    653,127.30x = 323,386,533,278.83
  5. Step 5: Solve for x
    x = 323,386,533,278.83/653,127.30
  6. Step 6: Final answer
    x = 495,135.53

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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.