Home / 1,006,078.43-1,388,585.49-576,646.40

Finding the Fourth Proportional to 1,006,078.43, 1,388,585.49 and 576,646.40

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Solution

The fourth proportional to 1,006,078.43, 1,388,585.49 and 576,646.40 is: 795,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,078.43 : 1,388,585.49 = 576,646.40 : x
  2. Step 2: Convert to fraction form
    1,006,078.43/1,388,585.49 = 576,646.40/x
  3. Step 3: Cross multiply
    1,006,078.43x = 1,388,585.49 × 576,646.40
  4. Step 4: Simplify right side
    1,006,078.43x = 800,722,823,900.74
  5. Step 5: Solve for x
    x = 800,722,823,900.74/1,006,078.43
  6. Step 6: Final answer
    x = 795,885.09

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Double scale
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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.