Home / 1,913,207.13-2,870,215.47-633,742.11

Finding the Fourth Proportional to 1,913,207.13, 2,870,215.47 and 633,742.11

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Solution

The fourth proportional to 1,913,207.13, 2,870,215.47 and 633,742.11 is: 950,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,207.13 : 2,870,215.47 = 633,742.11 : x
  2. Step 2: Convert to fraction form
    1,913,207.13/2,870,215.47 = 633,742.11/x
  3. Step 3: Cross multiply
    1,913,207.13x = 2,870,215.47 × 633,742.11
  4. Step 4: Simplify right side
    1,913,207.13x = 1,818,976,408,112.44
  5. Step 5: Solve for x
    x = 1,818,976,408,112.44/1,913,207.13
  6. Step 6: Final answer
    x = 950,747.25

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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.