Home / 1,709,778.32-2,569,320.16-911,623.76

Finding the Fourth Proportional to 1,709,778.32, 2,569,320.16 and 911,623.76

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Solution

The fourth proportional to 1,709,778.32, 2,569,320.16 and 911,623.76 is: 1,369,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,778.32 : 2,569,320.16 = 911,623.76 : x
  2. Step 2: Convert to fraction form
    1,709,778.32/2,569,320.16 = 911,623.76/x
  3. Step 3: Cross multiply
    1,709,778.32x = 2,569,320.16 × 911,623.76
  4. Step 4: Simplify right side
    1,709,778.32x = 2,342,253,304,903.00
  5. Step 5: Solve for x
    x = 2,342,253,304,903.00/1,709,778.32
  6. Step 6: Final answer
    x = 1,369,916.37

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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.