Home / 770,947.80-1,156,531.86-238,514.28

Finding the Fourth Proportional to 770,947.80, 1,156,531.86 and 238,514.28

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Solution

The fourth proportional to 770,947.80, 1,156,531.86 and 238,514.28 is: 357,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,947.80 : 1,156,531.86 = 238,514.28 : x
  2. Step 2: Convert to fraction form
    770,947.80/1,156,531.86 = 238,514.28/x
  3. Step 3: Cross multiply
    770,947.80x = 1,156,531.86 × 238,514.28
  4. Step 4: Simplify right side
    770,947.80x = 275,849,363,884.96
  5. Step 5: Solve for x
    x = 275,849,363,884.96/770,947.80
  6. Step 6: Final answer
    x = 357,805.50

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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.