Home / 1,285,314.68-1,773,665.71-741,417.91

Finding the Fourth Proportional to 1,285,314.68, 1,773,665.71 and 741,417.91

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Solution

The fourth proportional to 1,285,314.68, 1,773,665.71 and 741,417.91 is: 1,023,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,314.68 : 1,773,665.71 = 741,417.91 : x
  2. Step 2: Convert to fraction form
    1,285,314.68/1,773,665.71 = 741,417.91/x
  3. Step 3: Cross multiply
    1,285,314.68x = 1,773,665.71 × 741,417.91
  4. Step 4: Simplify right side
    1,285,314.68x = 1,315,027,517,459.16
  5. Step 5: Solve for x
    x = 1,315,027,517,459.16/1,285,314.68
  6. Step 6: Final answer
    x = 1,023,117.17

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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.