Home / 906,038.16-1,250,348.16-498,156.72

Finding the Fourth Proportional to 906,038.16, 1,250,348.16 and 498,156.72

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Solution

The fourth proportional to 906,038.16, 1,250,348.16 and 498,156.72 is: 687,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,038.16 : 1,250,348.16 = 498,156.72 : x
  2. Step 2: Convert to fraction form
    906,038.16/1,250,348.16 = 498,156.72/x
  3. Step 3: Cross multiply
    906,038.16x = 1,250,348.16 × 498,156.72
  4. Step 4: Simplify right side
    906,038.16x = 622,869,338,243.64
  5. Step 5: Solve for x
    x = 622,869,338,243.64/906,038.16
  6. Step 6: Final answer
    x = 687,464.80

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Double scale
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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.