Home / 752,408.39-1,038,254.86-446,432.11

Finding the Fourth Proportional to 752,408.39, 1,038,254.86 and 446,432.11

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Solution

The fourth proportional to 752,408.39, 1,038,254.86 and 446,432.11 is: 616,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,408.39 : 1,038,254.86 = 446,432.11 : x
  2. Step 2: Convert to fraction form
    752,408.39/1,038,254.86 = 446,432.11/x
  3. Step 3: Cross multiply
    752,408.39x = 1,038,254.86 × 446,432.11
  4. Step 4: Simplify right side
    752,408.39x = 463,510,305,829.96
  5. Step 5: Solve for x
    x = 463,510,305,829.96/752,408.39
  6. Step 6: Final answer
    x = 616,035.53

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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.