Home / 941,430.54-1,299,142.35-538,944.78

Finding the Fourth Proportional to 941,430.54, 1,299,142.35 and 538,944.78

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Solution

The fourth proportional to 941,430.54, 1,299,142.35 and 538,944.78 is: 743,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,430.54 : 1,299,142.35 = 538,944.78 : x
  2. Step 2: Convert to fraction form
    941,430.54/1,299,142.35 = 538,944.78/x
  3. Step 3: Cross multiply
    941,430.54x = 1,299,142.35 × 538,944.78
  4. Step 4: Simplify right side
    941,430.54x = 700,165,988,009.43
  5. Step 5: Solve for x
    x = 700,165,988,009.43/941,430.54
  6. Step 6: Final answer
    x = 743,725.59

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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.