Home / 906,778.16-1,251,353.91-498,871.28

Finding the Fourth Proportional to 906,778.16, 1,251,353.91 and 498,871.28

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Solution

The fourth proportional to 906,778.16, 1,251,353.91 and 498,871.28 is: 688,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,778.16 : 1,251,353.91 = 498,871.28 : x
  2. Step 2: Convert to fraction form
    906,778.16/1,251,353.91 = 498,871.28/x
  3. Step 3: Cross multiply
    906,778.16x = 1,251,353.91 × 498,871.28
  4. Step 4: Simplify right side
    906,778.16x = 624,264,520,557.94
  5. Step 5: Solve for x
    x = 624,264,520,557.94/906,778.16
  6. Step 6: Final answer
    x = 688,442.39

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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.