Home / 545,616.20-752,689.58-423,924.69

Finding the Fourth Proportional to 545,616.20, 752,689.58 and 423,924.69

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Solution

The fourth proportional to 545,616.20, 752,689.58 and 423,924.69 is: 584,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,616.20 : 752,689.58 = 423,924.69 : x
  2. Step 2: Convert to fraction form
    545,616.20/752,689.58 = 423,924.69/x
  3. Step 3: Cross multiply
    545,616.20x = 752,689.58 × 423,924.69
  4. Step 4: Simplify right side
    545,616.20x = 319,083,696,867.73
  5. Step 5: Solve for x
    x = 319,083,696,867.73/545,616.20
  6. Step 6: Final answer
    x = 584,813.46

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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.