Home / 447,581.19-617,663.16-243,632.10

Finding the Fourth Proportional to 447,581.19, 617,663.16 and 243,632.10

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Solution

The fourth proportional to 447,581.19, 617,663.16 and 243,632.10 is: 336,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,581.19 : 617,663.16 = 243,632.10 : x
  2. Step 2: Convert to fraction form
    447,581.19/617,663.16 = 243,632.10/x
  3. Step 3: Cross multiply
    447,581.19x = 617,663.16 × 243,632.10
  4. Step 4: Simplify right side
    447,581.19x = 150,482,572,763.44
  5. Step 5: Solve for x
    x = 150,482,572,763.44/447,581.19
  6. Step 6: Final answer
    x = 336,212.91

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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.