Home / 450,581.98-621,801.33-243,849.91

Finding the Fourth Proportional to 450,581.98, 621,801.33 and 243,849.91

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Solution

The fourth proportional to 450,581.98, 621,801.33 and 243,849.91 is: 336,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,581.98 : 621,801.33 = 243,849.91 : x
  2. Step 2: Convert to fraction form
    450,581.98/621,801.33 = 243,849.91/x
  3. Step 3: Cross multiply
    450,581.98x = 621,801.33 × 243,849.91
  4. Step 4: Simplify right side
    450,581.98x = 151,626,198,358.38
  5. Step 5: Solve for x
    x = 151,626,198,358.38/450,581.98
  6. Step 6: Final answer
    x = 336,511.90

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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.