Home / 1,500,742-2,251,175.30-435,784.06

Finding the Fourth Proportional to 1,500,742, 2,251,175.30 and 435,784.06

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Solution

The fourth proportional to 1,500,742, 2,251,175.30 and 435,784.06 is: 653,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,742 : 2,251,175.30 = 435,784.06 : x
  2. Step 2: Convert to fraction form
    1,500,742/2,251,175.30 = 435,784.06/x
  3. Step 3: Cross multiply
    1,500,742x = 2,251,175.30 × 435,784.06
  4. Step 4: Simplify right side
    1,500,742x = 981,026,312,005.72
  5. Step 5: Solve for x
    x = 981,026,312,005.72/1,500,742
  6. Step 6: Final answer
    x = 653,694.18

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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.