Home / 729,461.16-1,006,823.94-474,368.04

Finding the Fourth Proportional to 729,461.16, 1,006,823.94 and 474,368.04

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Solution

The fourth proportional to 729,461.16, 1,006,823.94 and 474,368.04 is: 654,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,461.16 : 1,006,823.94 = 474,368.04 : x
  2. Step 2: Convert to fraction form
    729,461.16/1,006,823.94 = 474,368.04/x
  3. Step 3: Cross multiply
    729,461.16x = 1,006,823.94 × 474,368.04
  4. Step 4: Simplify right side
    729,461.16x = 477,605,099,042.88
  5. Step 5: Solve for x
    x = 477,605,099,042.88/729,461.16
  6. Step 6: Final answer
    x = 654,736.85

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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.