Home / 840,774.38-1,160,271.84-458,801.16

Finding the Fourth Proportional to 840,774.38, 1,160,271.84 and 458,801.16

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Solution

The fourth proportional to 840,774.38, 1,160,271.84 and 458,801.16 is: 633,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,774.38 : 1,160,271.84 = 458,801.16 : x
  2. Step 2: Convert to fraction form
    840,774.38/1,160,271.84 = 458,801.16/x
  3. Step 3: Cross multiply
    840,774.38x = 1,160,271.84 × 458,801.16
  4. Step 4: Simplify right side
    840,774.38x = 532,334,070,003.35
  5. Step 5: Solve for x
    x = 532,334,070,003.35/840,774.38
  6. Step 6: Final answer
    x = 633,147.35

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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.