Home / 1,723,981.10-2,587,138.05-776,864.30

Finding the Fourth Proportional to 1,723,981.10, 2,587,138.05 and 776,864.30

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Solution

The fourth proportional to 1,723,981.10, 2,587,138.05 and 776,864.30 is: 1,165,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,981.10 : 2,587,138.05 = 776,864.30 : x
  2. Step 2: Convert to fraction form
    1,723,981.10/2,587,138.05 = 776,864.30/x
  3. Step 3: Cross multiply
    1,723,981.10x = 2,587,138.05 × 776,864.30
  4. Step 4: Simplify right side
    1,723,981.10x = 2,009,855,190,216.62
  5. Step 5: Solve for x
    x = 2,009,855,190,216.62/1,723,981.10
  6. Step 6: Final answer
    x = 1,165,822.06

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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.