Home / 450,573.17-621,789.28-243,841.12

Finding the Fourth Proportional to 450,573.17, 621,789.28 and 243,841.12

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Solution

The fourth proportional to 450,573.17, 621,789.28 and 243,841.12 is: 336,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,573.17 : 621,789.28 = 243,841.12 : x
  2. Step 2: Convert to fraction form
    450,573.17/621,789.28 = 243,841.12/x
  3. Step 3: Cross multiply
    450,573.17x = 621,789.28 × 243,841.12
  4. Step 4: Simplify right side
    450,573.17x = 151,617,792,275.12
  5. Step 5: Solve for x
    x = 151,617,792,275.12/450,573.17
  6. Step 6: Final answer
    x = 336,499.83

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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.