Home / 741,711.28-1,111,421.94-500,881.48

Finding the Fourth Proportional to 741,711.28, 1,111,421.94 and 500,881.48

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Solution

The fourth proportional to 741,711.28, 1,111,421.94 and 500,881.48 is: 750,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,711.28 : 1,111,421.94 = 500,881.48 : x
  2. Step 2: Convert to fraction form
    741,711.28/1,111,421.94 = 500,881.48/x
  3. Step 3: Cross multiply
    741,711.28x = 1,111,421.94 × 500,881.48
  4. Step 4: Simplify right side
    741,711.28x = 556,690,666,211.67
  5. Step 5: Solve for x
    x = 556,690,666,211.67/741,711.28
  6. Step 6: Final answer
    x = 750,549.01

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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.