Home / 646,160.52-891,686.73-404,576.29

Finding the Fourth Proportional to 646,160.52, 891,686.73 and 404,576.29

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Solution

The fourth proportional to 646,160.52, 891,686.73 and 404,576.29 is: 558,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,160.52 : 891,686.73 = 404,576.29 : x
  2. Step 2: Convert to fraction form
    646,160.52/891,686.73 = 404,576.29/x
  3. Step 3: Cross multiply
    646,160.52x = 891,686.73 × 404,576.29
  4. Step 4: Simplify right side
    646,160.52x = 360,755,309,065.63
  5. Step 5: Solve for x
    x = 360,755,309,065.63/646,160.52
  6. Step 6: Final answer
    x = 558,306.02

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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.