Home / 1,207,782.46-1,666,760.52-663,941.17

Finding the Fourth Proportional to 1,207,782.46, 1,666,760.52 and 663,941.17

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Solution

The fourth proportional to 1,207,782.46, 1,666,760.52 and 663,941.17 is: 916,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,782.46 : 1,666,760.52 = 663,941.17 : x
  2. Step 2: Convert to fraction form
    1,207,782.46/1,666,760.52 = 663,941.17/x
  3. Step 3: Cross multiply
    1,207,782.46x = 1,666,760.52 × 663,941.17
  4. Step 4: Simplify right side
    1,207,782.46x = 1,106,630,929,758.61
  5. Step 5: Solve for x
    x = 1,106,630,929,758.61/1,207,782.46
  6. Step 6: Final answer
    x = 916,250.21

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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.