Home / 691,941.18-954,879.23-386,017.56

Finding the Fourth Proportional to 691,941.18, 954,879.23 and 386,017.56

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Solution

The fourth proportional to 691,941.18, 954,879.23 and 386,017.56 is: 532,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,941.18 : 954,879.23 = 386,017.56 : x
  2. Step 2: Convert to fraction form
    691,941.18/954,879.23 = 386,017.56/x
  3. Step 3: Cross multiply
    691,941.18x = 954,879.23 × 386,017.56
  4. Step 4: Simplify right side
    691,941.18x = 368,600,150,459.28
  5. Step 5: Solve for x
    x = 368,600,150,459.28/691,941.18
  6. Step 6: Final answer
    x = 532,704.46

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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.