Home / 772,324.01-1,064,690.38-542,180.54

Finding the Fourth Proportional to 772,324.01, 1,064,690.38 and 542,180.54

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Solution

The fourth proportional to 772,324.01, 1,064,690.38 and 542,180.54 is: 747,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,324.01 : 1,064,690.38 = 542,180.54 : x
  2. Step 2: Convert to fraction form
    772,324.01/1,064,690.38 = 542,180.54/x
  3. Step 3: Cross multiply
    772,324.01x = 1,064,690.38 × 542,180.54
  4. Step 4: Simplify right side
    772,324.01x = 577,254,399,462.01
  5. Step 5: Solve for x
    x = 577,254,399,462.01/772,324.01
  6. Step 6: Final answer
    x = 747,425.16

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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.