Home / 683,967.52-943,873.20-382,161.76

Finding the Fourth Proportional to 683,967.52, 943,873.20 and 382,161.76

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Solution

The fourth proportional to 683,967.52, 943,873.20 and 382,161.76 is: 527,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,967.52 : 943,873.20 = 382,161.76 : x
  2. Step 2: Convert to fraction form
    683,967.52/943,873.20 = 382,161.76/x
  3. Step 3: Cross multiply
    683,967.52x = 943,873.20 × 382,161.76
  4. Step 4: Simplify right side
    683,967.52x = 360,712,243,328.83
  5. Step 5: Solve for x
    x = 360,712,243,328.83/683,967.52
  6. Step 6: Final answer
    x = 527,382.12

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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.