Home / 695,405.80-1,043,108.70-577,307.80

Finding the Fourth Proportional to 695,405.80, 1,043,108.70 and 577,307.80

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Solution

The fourth proportional to 695,405.80, 1,043,108.70 and 577,307.80 is: 865,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,405.80 : 1,043,108.70 = 577,307.80 : x
  2. Step 2: Convert to fraction form
    695,405.80/1,043,108.70 = 577,307.80/x
  3. Step 3: Cross multiply
    695,405.80x = 1,043,108.70 × 577,307.80
  4. Step 4: Simplify right side
    695,405.80x = 602,194,788,757.86
  5. Step 5: Solve for x
    x = 602,194,788,757.86/695,405.80
  6. Step 6: Final answer
    x = 865,961.70

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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.