Home / 1,278,366.49-1,764,151.41-705,423.52

Finding the Fourth Proportional to 1,278,366.49, 1,764,151.41 and 705,423.52

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Solution

The fourth proportional to 1,278,366.49, 1,764,151.41 and 705,423.52 is: 973,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,366.49 : 1,764,151.41 = 705,423.52 : x
  2. Step 2: Convert to fraction form
    1,278,366.49/1,764,151.41 = 705,423.52/x
  3. Step 3: Cross multiply
    1,278,366.49x = 1,764,151.41 × 705,423.52
  4. Step 4: Simplify right side
    1,278,366.49x = 1,244,473,897,455.16
  5. Step 5: Solve for x
    x = 1,244,473,897,455.16/1,278,366.49
  6. Step 6: Final answer
    x = 973,487.58

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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.