Home / 838,317.78-1,156,883.94-456,344.46

Finding the Fourth Proportional to 838,317.78, 1,156,883.94 and 456,344.46

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Solution

The fourth proportional to 838,317.78, 1,156,883.94 and 456,344.46 is: 629,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,317.78 : 1,156,883.94 = 456,344.46 : x
  2. Step 2: Convert to fraction form
    838,317.78/1,156,883.94 = 456,344.46/x
  3. Step 3: Cross multiply
    838,317.78x = 1,156,883.94 × 456,344.46
  4. Step 4: Simplify right side
    838,317.78x = 527,937,576,881.97
  5. Step 5: Solve for x
    x = 527,937,576,881.97/838,317.78
  6. Step 6: Final answer
    x = 629,758.30

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1.5x scale

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.