Home / 1,143,934.34-1,578,658.68-627,710.40

Finding the Fourth Proportional to 1,143,934.34, 1,578,658.68 and 627,710.40

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Solution

The fourth proportional to 1,143,934.34, 1,578,658.68 and 627,710.40 is: 866,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,934.34 : 1,578,658.68 = 627,710.40 : x
  2. Step 2: Convert to fraction form
    1,143,934.34/1,578,658.68 = 627,710.40/x
  3. Step 3: Cross multiply
    1,143,934.34x = 1,578,658.68 × 627,710.40
  4. Step 4: Simplify right side
    1,143,934.34x = 990,940,471,486.27
  5. Step 5: Solve for x
    x = 990,940,471,486.27/1,143,934.34
  6. Step 6: Final answer
    x = 866,256.43

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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.