Home / 500,705.28-752,632.56-434,964.06

Finding the Fourth Proportional to 500,705.28, 752,632.56 and 434,964.06

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Solution

The fourth proportional to 500,705.28, 752,632.56 and 434,964.06 is: 653,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,705.28 : 752,632.56 = 434,964.06 : x
  2. Step 2: Convert to fraction form
    500,705.28/752,632.56 = 434,964.06/x
  3. Step 3: Cross multiply
    500,705.28x = 752,632.56 × 434,964.06
  4. Step 4: Simplify right side
    500,705.28x = 327,368,113,985.79
  5. Step 5: Solve for x
    x = 327,368,113,985.79/500,705.28
  6. Step 6: Final answer
    x = 653,813.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.