Home / 906,321.60-1,250,755.92-498,455.01

Finding the Fourth Proportional to 906,321.60, 1,250,755.92 and 498,455.01

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Solution

The fourth proportional to 906,321.60, 1,250,755.92 and 498,455.01 is: 687,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,321.60 : 1,250,755.92 = 498,455.01 : x
  2. Step 2: Convert to fraction form
    906,321.60/1,250,755.92 = 498,455.01/x
  3. Step 3: Cross multiply
    906,321.60x = 1,250,755.92 × 498,455.01
  4. Step 4: Simplify right side
    906,321.60x = 623,445,554,611.16
  5. Step 5: Solve for x
    x = 623,445,554,611.16/906,321.60
  6. Step 6: Final answer
    x = 687,885.57

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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.