Home / 1,349,191.77-1,862,114.99-805,355.61

Finding the Fourth Proportional to 1,349,191.77, 1,862,114.99 and 805,355.61

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Solution

The fourth proportional to 1,349,191.77, 1,862,114.99 and 805,355.61 is: 1,111,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,191.77 : 1,862,114.99 = 805,355.61 : x
  2. Step 2: Convert to fraction form
    1,349,191.77/1,862,114.99 = 805,355.61/x
  3. Step 3: Cross multiply
    1,349,191.77x = 1,862,114.99 × 805,355.61
  4. Step 4: Simplify right side
    1,349,191.77x = 1,499,664,753,661.59
  5. Step 5: Solve for x
    x = 1,499,664,753,661.59/1,349,191.77
  6. Step 6: Final answer
    x = 1,111,528.24

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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.