Home / 1,278,715.57-1,764,623.85-705,751.63

Finding the Fourth Proportional to 1,278,715.57, 1,764,623.85 and 705,751.63

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Solution

The fourth proportional to 1,278,715.57, 1,764,623.85 and 705,751.63 is: 973,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,715.57 : 1,764,623.85 = 705,751.63 : x
  2. Step 2: Convert to fraction form
    1,278,715.57/1,764,623.85 = 705,751.63/x
  3. Step 3: Cross multiply
    1,278,715.57x = 1,764,623.85 × 705,751.63
  4. Step 4: Simplify right side
    1,278,715.57x = 1,245,386,158,474.38
  5. Step 5: Solve for x
    x = 1,245,386,158,474.38/1,278,715.57
  6. Step 6: Final answer
    x = 973,935.24

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Double scale
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Similar ratio
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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.