Home / 910,599.78-1,256,632.44-502,694.16

Finding the Fourth Proportional to 910,599.78, 1,256,632.44 and 502,694.16

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Solution

The fourth proportional to 910,599.78, 1,256,632.44 and 502,694.16 is: 693,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,599.78 : 1,256,632.44 = 502,694.16 : x
  2. Step 2: Convert to fraction form
    910,599.78/1,256,632.44 = 502,694.16/x
  3. Step 3: Cross multiply
    910,599.78x = 1,256,632.44 × 502,694.16
  4. Step 4: Simplify right side
    910,599.78x = 631,701,788,854.55
  5. Step 5: Solve for x
    x = 631,701,788,854.55/910,599.78
  6. Step 6: Final answer
    x = 693,720.56

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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.