Home / 697,543.20-1,047,092.40-382,615.20

Finding the Fourth Proportional to 697,543.20, 1,047,092.40 and 382,615.20

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Solution

The fourth proportional to 697,543.20, 1,047,092.40 and 382,615.20 is: 574,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,543.20 : 1,047,092.40 = 382,615.20 : x
  2. Step 2: Convert to fraction form
    697,543.20/1,047,092.40 = 382,615.20/x
  3. Step 3: Cross multiply
    697,543.20x = 1,047,092.40 × 382,615.20
  4. Step 4: Simplify right side
    697,543.20x = 400,633,468,044.48
  5. Step 5: Solve for x
    x = 400,633,468,044.48/697,543.20
  6. Step 6: Final answer
    x = 574,349.33

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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.