Home / 753,543.48-1,039,885.82-409,376.66

Finding the Fourth Proportional to 753,543.48, 1,039,885.82 and 409,376.66

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Solution

The fourth proportional to 753,543.48, 1,039,885.82 and 409,376.66 is: 564,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,543.48 : 1,039,885.82 = 409,376.66 : x
  2. Step 2: Convert to fraction form
    753,543.48/1,039,885.82 = 409,376.66/x
  3. Step 3: Cross multiply
    753,543.48x = 1,039,885.82 × 409,376.66
  4. Step 4: Simplify right side
    753,543.48x = 425,704,976,526.65
  5. Step 5: Solve for x
    x = 425,704,976,526.65/753,543.48
  6. Step 6: Final answer
    x = 564,937.51

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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.