Home / 756,025.80-1,134,038.70-195,060.30

Finding the Fourth Proportional to 756,025.80, 1,134,038.70 and 195,060.30

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Solution

The fourth proportional to 756,025.80, 1,134,038.70 and 195,060.30 is: 292,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,025.80 : 1,134,038.70 = 195,060.30 : x
  2. Step 2: Convert to fraction form
    756,025.80/1,134,038.70 = 195,060.30/x
  3. Step 3: Cross multiply
    756,025.80x = 1,134,038.70 × 195,060.30
  4. Step 4: Simplify right side
    756,025.80x = 221,205,929,033.61
  5. Step 5: Solve for x
    x = 221,205,929,033.61/756,025.80
  6. Step 6: Final answer
    x = 292,590.45

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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.