Home / 1,278,677.18-1,764,565.83-705,717.35

Finding the Fourth Proportional to 1,278,677.18, 1,764,565.83 and 705,717.35

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Solution

The fourth proportional to 1,278,677.18, 1,764,565.83 and 705,717.35 is: 973,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,677.18 : 1,764,565.83 = 705,717.35 : x
  2. Step 2: Convert to fraction form
    1,278,677.18/1,764,565.83 = 705,717.35/x
  3. Step 3: Cross multiply
    1,278,677.18x = 1,764,565.83 × 705,717.35
  4. Step 4: Simplify right side
    1,278,677.18x = 1,245,284,725,859.57
  5. Step 5: Solve for x
    x = 1,245,284,725,859.57/1,278,677.18
  6. Step 6: Final answer
    x = 973,885.15

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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.