Home / 942,830.60-1,301,081.24-513,101.48

Finding the Fourth Proportional to 942,830.60, 1,301,081.24 and 513,101.48

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Solution

The fourth proportional to 942,830.60, 1,301,081.24 and 513,101.48 is: 708,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,830.60 : 1,301,081.24 = 513,101.48 : x
  2. Step 2: Convert to fraction form
    942,830.60/1,301,081.24 = 513,101.48/x
  3. Step 3: Cross multiply
    942,830.60x = 1,301,081.24 × 513,101.48
  4. Step 4: Simplify right side
    942,830.60x = 667,586,709,844.24
  5. Step 5: Solve for x
    x = 667,586,709,844.24/942,830.60
  6. Step 6: Final answer
    x = 708,066.44

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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.