Home / 917,727.42-1,377,431.57-468,763.05

Finding the Fourth Proportional to 917,727.42, 1,377,431.57 and 468,763.05

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Solution

The fourth proportional to 917,727.42, 1,377,431.57 and 468,763.05 is: 703,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,727.42 : 1,377,431.57 = 468,763.05 : x
  2. Step 2: Convert to fraction form
    917,727.42/1,377,431.57 = 468,763.05/x
  3. Step 3: Cross multiply
    917,727.42x = 1,377,431.57 × 468,763.05
  4. Step 4: Simplify right side
    917,727.42x = 645,689,025,091.40
  5. Step 5: Solve for x
    x = 645,689,025,091.40/917,727.42
  6. Step 6: Final answer
    x = 703,573.86

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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.