Home / 1,929,417.40-2,894,411.22-666,906.04

Finding the Fourth Proportional to 1,929,417.40, 2,894,411.22 and 666,906.04

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Solution

The fourth proportional to 1,929,417.40, 2,894,411.22 and 666,906.04 is: 1,000,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,417.40 : 2,894,411.22 = 666,906.04 : x
  2. Step 2: Convert to fraction form
    1,929,417.40/2,894,411.22 = 666,906.04/x
  3. Step 3: Cross multiply
    1,929,417.40x = 2,894,411.22 × 666,906.04
  4. Step 4: Simplify right side
    1,929,417.40x = 1,930,300,324,861.77
  5. Step 5: Solve for x
    x = 1,930,300,324,861.77/1,929,417.40
  6. Step 6: Final answer
    x = 1,000,457.61

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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.