Home / 803,727.11-1,109,142.98-454,861.19

Finding the Fourth Proportional to 803,727.11, 1,109,142.98 and 454,861.19

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Solution

The fourth proportional to 803,727.11, 1,109,142.98 and 454,861.19 is: 627,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,727.11 : 1,109,142.98 = 454,861.19 : x
  2. Step 2: Convert to fraction form
    803,727.11/1,109,142.98 = 454,861.19/x
  3. Step 3: Cross multiply
    803,727.11x = 1,109,142.98 × 454,861.19
  4. Step 4: Simplify right side
    803,727.11x = 504,506,095,762.95
  5. Step 5: Solve for x
    x = 504,506,095,762.95/803,727.11
  6. Step 6: Final answer
    x = 627,708.20

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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.