Home / 1,132,985.57-1,563,167.91-642,874.01

Finding the Fourth Proportional to 1,132,985.57, 1,563,167.91 and 642,874.01

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Solution

The fourth proportional to 1,132,985.57, 1,563,167.91 and 642,874.01 is: 886,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,985.57 : 1,563,167.91 = 642,874.01 : x
  2. Step 2: Convert to fraction form
    1,132,985.57/1,563,167.91 = 642,874.01/x
  3. Step 3: Cross multiply
    1,132,985.57x = 1,563,167.91 × 642,874.01
  4. Step 4: Simplify right side
    1,132,985.57x = 1,004,920,014,789.18
  5. Step 5: Solve for x
    x = 1,004,920,014,789.18/1,132,985.57
  6. Step 6: Final answer
    x = 886,966.30

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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.