Home / 738,304.80-1,107,702.90-265,027.20

Finding the Fourth Proportional to 738,304.80, 1,107,702.90 and 265,027.20

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Solution

The fourth proportional to 738,304.80, 1,107,702.90 and 265,027.20 is: 397,629.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,304.80 : 1,107,702.90 = 265,027.20 : x
  2. Step 2: Convert to fraction form
    738,304.80/1,107,702.90 = 265,027.20/x
  3. Step 3: Cross multiply
    738,304.80x = 1,107,702.90 × 265,027.20
  4. Step 4: Simplify right side
    738,304.80x = 293,571,398,018.88
  5. Step 5: Solve for x
    x = 293,571,398,018.88/738,304.80
  6. Step 6: Final answer
    x = 397,629.00

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Similar ratio
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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.