Home / 1,278,541.12-1,764,384.96-705,581.20

Finding the Fourth Proportional to 1,278,541.12, 1,764,384.96 and 705,581.20

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Solution

The fourth proportional to 1,278,541.12, 1,764,384.96 and 705,581.20 is: 973,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,541.12 : 1,764,384.96 = 705,581.20 : x
  2. Step 2: Convert to fraction form
    1,278,541.12/1,764,384.96 = 705,581.20/x
  3. Step 3: Cross multiply
    1,278,541.12x = 1,764,384.96 × 705,581.20
  4. Step 4: Simplify right side
    1,278,541.12x = 1,244,916,857,338.75
  5. Step 5: Solve for x
    x = 1,244,916,857,338.75/1,278,541.12
  6. Step 6: Final answer
    x = 973,701.07

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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.