Home / 582,537.16-804,149.04-391,661.20

Finding the Fourth Proportional to 582,537.16, 804,149.04 and 391,661.20

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Solution

The fourth proportional to 582,537.16, 804,149.04 and 391,661.20 is: 540,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,537.16 : 804,149.04 = 391,661.20 : x
  2. Step 2: Convert to fraction form
    582,537.16/804,149.04 = 391,661.20/x
  3. Step 3: Cross multiply
    582,537.16x = 804,149.04 × 391,661.20
  4. Step 4: Simplify right side
    582,537.16x = 314,953,977,985.25
  5. Step 5: Solve for x
    x = 314,953,977,985.25/582,537.16
  6. Step 6: Final answer
    x = 540,659.03

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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.