Home / 1,569,329.28-2,165,895-916,169.52

Finding the Fourth Proportional to 1,569,329.28, 2,165,895 and 916,169.52

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Solution

The fourth proportional to 1,569,329.28, 2,165,895 and 916,169.52 is: 1,264,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,329.28 : 2,165,895 = 916,169.52 : x
  2. Step 2: Convert to fraction form
    1,569,329.28/2,165,895 = 916,169.52/x
  3. Step 3: Cross multiply
    1,569,329.28x = 2,165,895 × 916,169.52
  4. Step 4: Simplify right side
    1,569,329.28x = 1,984,326,982,520.40
  5. Step 5: Solve for x
    x = 1,984,326,982,520.40/1,569,329.28
  6. Step 6: Final answer
    x = 1,264,442.72

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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.