Home / 1,098,689.10-1,648,033.65-1,091,690.70

Finding the Fourth Proportional to 1,098,689.10, 1,648,033.65 and 1,091,690.70

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Solution

The fourth proportional to 1,098,689.10, 1,648,033.65 and 1,091,690.70 is: 1,637,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,689.10 : 1,648,033.65 = 1,091,690.70 : x
  2. Step 2: Convert to fraction form
    1,098,689.10/1,648,033.65 = 1,091,690.70/x
  3. Step 3: Cross multiply
    1,098,689.10x = 1,648,033.65 × 1,091,690.70
  4. Step 4: Simplify right side
    1,098,689.10x = 1,799,143,008,992.06
  5. Step 5: Solve for x
    x = 1,799,143,008,992.06/1,098,689.10
  6. Step 6: Final answer
    x = 1,637,536.05

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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.