Home / 753,341.50-1,039,618.92-409,180.77

Finding the Fourth Proportional to 753,341.50, 1,039,618.92 and 409,180.77

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Solution

The fourth proportional to 753,341.50, 1,039,618.92 and 409,180.77 is: 564,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,341.50 : 1,039,618.92 = 409,180.77 : x
  2. Step 2: Convert to fraction form
    753,341.50/1,039,618.92 = 409,180.77/x
  3. Step 3: Cross multiply
    753,341.50x = 1,039,618.92 × 409,180.77
  4. Step 4: Simplify right side
    753,341.50x = 425,392,070,192.17
  5. Step 5: Solve for x
    x = 425,392,070,192.17/753,341.50
  6. Step 6: Final answer
    x = 564,673.62

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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.