Home / 1,461,306.66-2,191,575.86-436,393.72

Finding the Fourth Proportional to 1,461,306.66, 2,191,575.86 and 436,393.72

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Solution

The fourth proportional to 1,461,306.66, 2,191,575.86 and 436,393.72 is: 654,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,306.66 : 2,191,575.86 = 436,393.72 : x
  2. Step 2: Convert to fraction form
    1,461,306.66/2,191,575.86 = 436,393.72/x
  3. Step 3: Cross multiply
    1,461,306.66x = 2,191,575.86 × 436,393.72
  4. Step 4: Simplify right side
    1,461,306.66x = 956,389,942,207.60
  5. Step 5: Solve for x
    x = 956,389,942,207.60/1,461,306.66
  6. Step 6: Final answer
    x = 654,475.87

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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.