Home / 1,581,686.73-2,182,728.86-856,535.24

Finding the Fourth Proportional to 1,581,686.73, 2,182,728.86 and 856,535.24

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Solution

The fourth proportional to 1,581,686.73, 2,182,728.86 and 856,535.24 is: 1,182,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,686.73 : 2,182,728.86 = 856,535.24 : x
  2. Step 2: Convert to fraction form
    1,581,686.73/2,182,728.86 = 856,535.24/x
  3. Step 3: Cross multiply
    1,581,686.73x = 2,182,728.86 × 856,535.24
  4. Step 4: Simplify right side
    1,581,686.73x = 1,869,584,172,758.71
  5. Step 5: Solve for x
    x = 1,869,584,172,758.71/1,581,686.73
  6. Step 6: Final answer
    x = 1,182,019.26

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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.