Home / 649,965.47-896,998.05-363,512.21

Finding the Fourth Proportional to 649,965.47, 896,998.05 and 363,512.21

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Solution

The fourth proportional to 649,965.47, 896,998.05 and 363,512.21 is: 501,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,965.47 : 896,998.05 = 363,512.21 : x
  2. Step 2: Convert to fraction form
    649,965.47/896,998.05 = 363,512.21/x
  3. Step 3: Cross multiply
    649,965.47x = 896,998.05 × 363,512.21
  4. Step 4: Simplify right side
    649,965.47x = 326,069,739,036.20
  5. Step 5: Solve for x
    x = 326,069,739,036.20/649,965.47
  6. Step 6: Final answer
    x = 501,672.41

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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.