Home / 1,109,740.96-1,531,278.32-673,931.66

Finding the Fourth Proportional to 1,109,740.96, 1,531,278.32 and 673,931.66

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Solution

The fourth proportional to 1,109,740.96, 1,531,278.32 and 673,931.66 is: 929,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,740.96 : 1,531,278.32 = 673,931.66 : x
  2. Step 2: Convert to fraction form
    1,109,740.96/1,531,278.32 = 673,931.66/x
  3. Step 3: Cross multiply
    1,109,740.96x = 1,531,278.32 × 673,931.66
  4. Step 4: Simplify right side
    1,109,740.96x = 1,031,976,940,119.61
  5. Step 5: Solve for x
    x = 1,031,976,940,119.61/1,109,740.96
  6. Step 6: Final answer
    x = 929,925.97

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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.