Home / 938,053.32-1,407,278.70-361,691.34

Finding the Fourth Proportional to 938,053.32, 1,407,278.70 and 361,691.34

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Solution

The fourth proportional to 938,053.32, 1,407,278.70 and 361,691.34 is: 542,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,053.32 : 1,407,278.70 = 361,691.34 : x
  2. Step 2: Convert to fraction form
    938,053.32/1,407,278.70 = 361,691.34/x
  3. Step 3: Cross multiply
    938,053.32x = 1,407,278.70 × 361,691.34
  4. Step 4: Simplify right side
    938,053.32x = 509,000,518,756.46
  5. Step 5: Solve for x
    x = 509,000,518,756.46/938,053.32
  6. Step 6: Final answer
    x = 542,613.63

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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.