Home / 935,061.16-1,401,211.26-428,372.20

Finding the Fourth Proportional to 935,061.16, 1,401,211.26 and 428,372.20

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Solution

The fourth proportional to 935,061.16, 1,401,211.26 and 428,372.20 is: 641,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,061.16 : 1,401,211.26 = 428,372.20 : x
  2. Step 2: Convert to fraction form
    935,061.16/1,401,211.26 = 428,372.20/x
  3. Step 3: Cross multiply
    935,061.16x = 1,401,211.26 × 428,372.20
  4. Step 4: Simplify right side
    935,061.16x = 600,239,950,110.97
  5. Step 5: Solve for x
    x = 600,239,950,110.97/935,061.16
  6. Step 6: Final answer
    x = 641,925.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.