Home / 935,131.18-1,290,950.31-613,334.38

Finding the Fourth Proportional to 935,131.18, 1,290,950.31 and 613,334.38

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Solution

The fourth proportional to 935,131.18, 1,290,950.31 and 613,334.38 is: 846,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,131.18 : 1,290,950.31 = 613,334.38 : x
  2. Step 2: Convert to fraction form
    935,131.18/1,290,950.31 = 613,334.38/x
  3. Step 3: Cross multiply
    935,131.18x = 1,290,950.31 × 613,334.38
  4. Step 4: Simplify right side
    935,131.18x = 791,784,207,994.66
  5. Step 5: Solve for x
    x = 791,784,207,994.66/935,131.18
  6. Step 6: Final answer
    x = 846,709.24

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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.