Home / 950,085.03-1,311,138.56-542,178.75

Finding the Fourth Proportional to 950,085.03, 1,311,138.56 and 542,178.75

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Solution

The fourth proportional to 950,085.03, 1,311,138.56 and 542,178.75 is: 748,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,085.03 : 1,311,138.56 = 542,178.75 : x
  2. Step 2: Convert to fraction form
    950,085.03/1,311,138.56 = 542,178.75/x
  3. Step 3: Cross multiply
    950,085.03x = 1,311,138.56 × 542,178.75
  4. Step 4: Simplify right side
    950,085.03x = 710,871,465,537.60
  5. Step 5: Solve for x
    x = 710,871,465,537.60/950,085.03
  6. Step 6: Final answer
    x = 748,218.78

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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.