Home / 726,894.68-1,090,341.75-194,401.88

Finding the Fourth Proportional to 726,894.68, 1,090,341.75 and 194,401.88

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Solution

The fourth proportional to 726,894.68, 1,090,341.75 and 194,401.88 is: 291,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,894.68 : 1,090,341.75 = 194,401.88 : x
  2. Step 2: Convert to fraction form
    726,894.68/1,090,341.75 = 194,401.88/x
  3. Step 3: Cross multiply
    726,894.68x = 1,090,341.75 × 194,401.88
  4. Step 4: Simplify right side
    726,894.68x = 211,964,480,590.78
  5. Step 5: Solve for x
    x = 211,964,480,590.78/726,894.68
  6. Step 6: Final answer
    x = 291,602.74

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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.