Home / 739,235.44-1,020,139.96-416,948.20

Finding the Fourth Proportional to 739,235.44, 1,020,139.96 and 416,948.20

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Solution

The fourth proportional to 739,235.44, 1,020,139.96 and 416,948.20 is: 575,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,235.44 : 1,020,139.96 = 416,948.20 : x
  2. Step 2: Convert to fraction form
    739,235.44/1,020,139.96 = 416,948.20/x
  3. Step 3: Cross multiply
    739,235.44x = 1,020,139.96 × 416,948.20
  4. Step 4: Simplify right side
    739,235.44x = 425,345,520,070.07
  5. Step 5: Solve for x
    x = 425,345,520,070.07/739,235.44
  6. Step 6: Final answer
    x = 575,385.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.