Home / 825,693.53-1,139,365.97-463,042.76

Finding the Fourth Proportional to 825,693.53, 1,139,365.97 and 463,042.76

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Solution

The fourth proportional to 825,693.53, 1,139,365.97 and 463,042.76 is: 638,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,693.53 : 1,139,365.97 = 463,042.76 : x
  2. Step 2: Convert to fraction form
    825,693.53/1,139,365.97 = 463,042.76/x
  3. Step 3: Cross multiply
    825,693.53x = 1,139,365.97 × 463,042.76
  4. Step 4: Simplify right side
    825,693.53x = 527,575,161,083.66
  5. Step 5: Solve for x
    x = 527,575,161,083.66/825,693.53
  6. Step 6: Final answer
    x = 638,947.92

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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.