Home / 720,029.40-1,080,044.10-246,643.80

Finding the Fourth Proportional to 720,029.40, 1,080,044.10 and 246,643.80

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Solution

The fourth proportional to 720,029.40, 1,080,044.10 and 246,643.80 is: 369,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,029.40 : 1,080,044.10 = 246,643.80 : x
  2. Step 2: Convert to fraction form
    720,029.40/1,080,044.10 = 246,643.80/x
  3. Step 3: Cross multiply
    720,029.40x = 1,080,044.10 × 246,643.80
  4. Step 4: Simplify right side
    720,029.40x = 266,386,180,991.58
  5. Step 5: Solve for x
    x = 266,386,180,991.58/720,029.40
  6. Step 6: Final answer
    x = 369,965.70

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Double scale
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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.