Home / 910,490.61-1,256,481.41-502,585.04

Finding the Fourth Proportional to 910,490.61, 1,256,481.41 and 502,585.04

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Solution

The fourth proportional to 910,490.61, 1,256,481.41 and 502,585.04 is: 693,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,490.61 : 1,256,481.41 = 502,585.04 : x
  2. Step 2: Convert to fraction form
    910,490.61/1,256,481.41 = 502,585.04/x
  3. Step 3: Cross multiply
    910,490.61x = 1,256,481.41 × 502,585.04
  4. Step 4: Simplify right side
    910,490.61x = 631,488,750,908.77
  5. Step 5: Solve for x
    x = 631,488,750,908.77/910,490.61
  6. Step 6: Final answer
    x = 693,569.76

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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.