Home / 1,078,664.72-1,488,547.92-588,643.92

Finding the Fourth Proportional to 1,078,664.72, 1,488,547.92 and 588,643.92

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Solution

The fourth proportional to 1,078,664.72, 1,488,547.92 and 588,643.92 is: 812,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,664.72 : 1,488,547.92 = 588,643.92 : x
  2. Step 2: Convert to fraction form
    1,078,664.72/1,488,547.92 = 588,643.92/x
  3. Step 3: Cross multiply
    1,078,664.72x = 1,488,547.92 × 588,643.92
  4. Step 4: Simplify right side
    1,078,664.72x = 876,224,682,736.65
  5. Step 5: Solve for x
    x = 876,224,682,736.65/1,078,664.72
  6. Step 6: Final answer
    x = 812,323.49

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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.