Home / 672,887.52-928,573.20-366,966.36

Finding the Fourth Proportional to 672,887.52, 928,573.20 and 366,966.36

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Solution

The fourth proportional to 672,887.52, 928,573.20 and 366,966.36 is: 506,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,887.52 : 928,573.20 = 366,966.36 : x
  2. Step 2: Convert to fraction form
    672,887.52/928,573.20 = 366,966.36/x
  3. Step 3: Cross multiply
    672,887.52x = 928,573.20 × 366,966.36
  4. Step 4: Simplify right side
    672,887.52x = 340,755,127,197.55
  5. Step 5: Solve for x
    x = 340,755,127,197.55/672,887.52
  6. Step 6: Final answer
    x = 506,407.26

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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.