Home / 1,144,956.20-1,717,434.30-672,175.40

Finding the Fourth Proportional to 1,144,956.20, 1,717,434.30 and 672,175.40

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Solution

The fourth proportional to 1,144,956.20, 1,717,434.30 and 672,175.40 is: 1,008,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,956.20 : 1,717,434.30 = 672,175.40 : x
  2. Step 2: Convert to fraction form
    1,144,956.20/1,717,434.30 = 672,175.40/x
  3. Step 3: Cross multiply
    1,144,956.20x = 1,717,434.30 × 672,175.40
  4. Step 4: Simplify right side
    1,144,956.20x = 1,154,417,087,576.22
  5. Step 5: Solve for x
    x = 1,154,417,087,576.22/1,144,956.20
  6. Step 6: Final answer
    x = 1,008,263.10

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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.