Home / 864,616.96-1,192,961.28-506,851.84

Finding the Fourth Proportional to 864,616.96, 1,192,961.28 and 506,851.84

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Solution

The fourth proportional to 864,616.96, 1,192,961.28 and 506,851.84 is: 699,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,616.96 : 1,192,961.28 = 506,851.84 : x
  2. Step 2: Convert to fraction form
    864,616.96/1,192,961.28 = 506,851.84/x
  3. Step 3: Cross multiply
    864,616.96x = 1,192,961.28 × 506,851.84
  4. Step 4: Simplify right side
    864,616.96x = 604,654,619,816.76
  5. Step 5: Solve for x
    x = 604,654,619,816.76/864,616.96
  6. Step 6: Final answer
    x = 699,332.36

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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.