Home / 1,349,191.27-1,862,114.30-805,355.11

Finding the Fourth Proportional to 1,349,191.27, 1,862,114.30 and 805,355.11

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Solution

The fourth proportional to 1,349,191.27, 1,862,114.30 and 805,355.11 is: 1,111,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,191.27 : 1,862,114.30 = 805,355.11 : x
  2. Step 2: Convert to fraction form
    1,349,191.27/1,862,114.30 = 805,355.11/x
  3. Step 3: Cross multiply
    1,349,191.27x = 1,862,114.30 × 805,355.11
  4. Step 4: Simplify right side
    1,349,191.27x = 1,499,663,266,909.07
  5. Step 5: Solve for x
    x = 1,499,663,266,909.07/1,349,191.27
  6. Step 6: Final answer
    x = 1,111,527.55

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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.