Home / 739,403.17-1,020,423.62-416,995.63

Finding the Fourth Proportional to 739,403.17, 1,020,423.62 and 416,995.63

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Solution

The fourth proportional to 739,403.17, 1,020,423.62 and 416,995.63 is: 575,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,403.17 : 1,020,423.62 = 416,995.63 : x
  2. Step 2: Convert to fraction form
    739,403.17/1,020,423.62 = 416,995.63/x
  3. Step 3: Cross multiply
    739,403.17x = 1,020,423.62 × 416,995.63
  4. Step 4: Simplify right side
    739,403.17x = 425,512,190,446.33
  5. Step 5: Solve for x
    x = 425,512,190,446.33/739,403.17
  6. Step 6: Final answer
    x = 575,480.61

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.