Home / 663,043.30-914,967.93-376,525.54

Finding the Fourth Proportional to 663,043.30, 914,967.93 and 376,525.54

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Solution

The fourth proportional to 663,043.30, 914,967.93 and 376,525.54 is: 519,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,043.30 : 914,967.93 = 376,525.54 : x
  2. Step 2: Convert to fraction form
    663,043.30/914,967.93 = 376,525.54/x
  3. Step 3: Cross multiply
    663,043.30x = 914,967.93 × 376,525.54
  4. Step 4: Simplify right side
    663,043.30x = 344,508,793,925.93
  5. Step 5: Solve for x
    x = 344,508,793,925.93/663,043.30
  6. Step 6: Final answer
    x = 519,587.17

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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.