Home / 1,176,790.28-1,623,994.57-660,581.39

Finding the Fourth Proportional to 1,176,790.28, 1,623,994.57 and 660,581.39

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Solution

The fourth proportional to 1,176,790.28, 1,623,994.57 and 660,581.39 is: 911,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,790.28 : 1,623,994.57 = 660,581.39 : x
  2. Step 2: Convert to fraction form
    1,176,790.28/1,623,994.57 = 660,581.39/x
  3. Step 3: Cross multiply
    1,176,790.28x = 1,623,994.57 × 660,581.39
  4. Step 4: Simplify right side
    1,176,790.28x = 1,072,780,594,953.38
  5. Step 5: Solve for x
    x = 1,072,780,594,953.38/1,176,790.28
  6. Step 6: Final answer
    x = 911,615.78

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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.