Home / 927,129.04-1,279,456.20-605,045.20

Finding the Fourth Proportional to 927,129.04, 1,279,456.20 and 605,045.20

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Solution

The fourth proportional to 927,129.04, 1,279,456.20 and 605,045.20 is: 834,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,129.04 : 1,279,456.20 = 605,045.20 : x
  2. Step 2: Convert to fraction form
    927,129.04/1,279,456.20 = 605,045.20/x
  3. Step 3: Cross multiply
    927,129.04x = 1,279,456.20 × 605,045.20
  4. Step 4: Simplify right side
    927,129.04x = 774,128,832,420.24
  5. Step 5: Solve for x
    x = 774,128,832,420.24/927,129.04
  6. Step 6: Final answer
    x = 834,974.20

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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.