Home / 1,025,629.90-1,538,444.85-494,188.90

Finding the Fourth Proportional to 1,025,629.90, 1,538,444.85 and 494,188.90

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Solution

The fourth proportional to 1,025,629.90, 1,538,444.85 and 494,188.90 is: 741,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,629.90 : 1,538,444.85 = 494,188.90 : x
  2. Step 2: Convert to fraction form
    1,025,629.90/1,538,444.85 = 494,188.90/x
  3. Step 3: Cross multiply
    1,025,629.90x = 1,538,444.85 × 494,188.90
  4. Step 4: Simplify right side
    1,025,629.90x = 760,282,368,132.17
  5. Step 5: Solve for x
    x = 760,282,368,132.17/1,025,629.90
  6. Step 6: Final answer
    x = 741,283.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.