Home / 1,356,646.59-1,872,502.52-813,104.19

Finding the Fourth Proportional to 1,356,646.59, 1,872,502.52 and 813,104.19

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Solution

The fourth proportional to 1,356,646.59, 1,872,502.52 and 813,104.19 is: 1,122,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,646.59 : 1,872,502.52 = 813,104.19 : x
  2. Step 2: Convert to fraction form
    1,356,646.59/1,872,502.52 = 813,104.19/x
  3. Step 3: Cross multiply
    1,356,646.59x = 1,872,502.52 × 813,104.19
  4. Step 4: Simplify right side
    1,356,646.59x = 1,522,539,640,732.04
  5. Step 5: Solve for x
    x = 1,522,539,640,732.04/1,356,646.59
  6. Step 6: Final answer
    x = 1,122,281.70

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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.