Home / 524,821.80-786,066.30-406,108.20

Finding the Fourth Proportional to 524,821.80, 786,066.30 and 406,108.20

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Solution

The fourth proportional to 524,821.80, 786,066.30 and 406,108.20 is: 608,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,821.80 : 786,066.30 = 406,108.20 : x
  2. Step 2: Convert to fraction form
    524,821.80/786,066.30 = 406,108.20/x
  3. Step 3: Cross multiply
    524,821.80x = 786,066.30 × 406,108.20
  4. Step 4: Simplify right side
    524,821.80x = 319,227,970,173.66
  5. Step 5: Solve for x
    x = 319,227,970,173.66/524,821.80
  6. Step 6: Final answer
    x = 608,259.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.