Home / 677,996.90-935,567.60-406,057.83

Finding the Fourth Proportional to 677,996.90, 935,567.60 and 406,057.83

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Solution

The fourth proportional to 677,996.90, 935,567.60 and 406,057.83 is: 560,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,996.90 : 935,567.60 = 406,057.83 : x
  2. Step 2: Convert to fraction form
    677,996.90/935,567.60 = 406,057.83/x
  3. Step 3: Cross multiply
    677,996.90x = 935,567.60 × 406,057.83
  4. Step 4: Simplify right side
    677,996.90x = 379,894,549,474.31
  5. Step 5: Solve for x
    x = 379,894,549,474.31/677,996.90
  6. Step 6: Final answer
    x = 560,319.01

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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.