Home / 864,561.78-1,193,348.64-502,148.55

Finding the Fourth Proportional to 864,561.78, 1,193,348.64 and 502,148.55

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Solution

The fourth proportional to 864,561.78, 1,193,348.64 and 502,148.55 is: 693,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,561.78 : 1,193,348.64 = 502,148.55 : x
  2. Step 2: Convert to fraction form
    864,561.78/1,193,348.64 = 502,148.55/x
  3. Step 3: Cross multiply
    864,561.78x = 1,193,348.64 × 502,148.55
  4. Step 4: Simplify right side
    864,561.78x = 599,238,289,220.47
  5. Step 5: Solve for x
    x = 599,238,289,220.47/864,561.78
  6. Step 6: Final answer
    x = 693,112.17

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Double scale
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1.5x scale

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.