Home / 910,560.44-1,256,540.48-502,653.53

Finding the Fourth Proportional to 910,560.44, 1,256,540.48 and 502,653.53

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Solution

The fourth proportional to 910,560.44, 1,256,540.48 and 502,653.53 is: 693,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,560.44 : 1,256,540.48 = 502,653.53 : x
  2. Step 2: Convert to fraction form
    910,560.44/1,256,540.48 = 502,653.53/x
  3. Step 3: Cross multiply
    910,560.44x = 1,256,540.48 × 502,653.53
  4. Step 4: Simplify right side
    910,560.44x = 631,604,500,006.40
  5. Step 5: Solve for x
    x = 631,604,500,006.40/910,560.44
  6. Step 6: Final answer
    x = 693,643.68

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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.