Home / 1,165,809.40-1,749,491.70-534,398.20

Finding the Fourth Proportional to 1,165,809.40, 1,749,491.70 and 534,398.20

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Solution

The fourth proportional to 1,165,809.40, 1,749,491.70 and 534,398.20 is: 801,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,809.40 : 1,749,491.70 = 534,398.20 : x
  2. Step 2: Convert to fraction form
    1,165,809.40/1,749,491.70 = 534,398.20/x
  3. Step 3: Cross multiply
    1,165,809.40x = 1,749,491.70 × 534,398.20
  4. Step 4: Simplify right side
    1,165,809.40x = 934,925,215,394.94
  5. Step 5: Solve for x
    x = 934,925,215,394.94/1,165,809.40
  6. Step 6: Final answer
    x = 801,953.75

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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.