Home / 875,666.92-1,313,734.38-314,706.28

Finding the Fourth Proportional to 875,666.92, 1,313,734.38 and 314,706.28

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Solution

The fourth proportional to 875,666.92, 1,313,734.38 and 314,706.28 is: 472,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,666.92 : 1,313,734.38 = 314,706.28 : x
  2. Step 2: Convert to fraction form
    875,666.92/1,313,734.38 = 314,706.28/x
  3. Step 3: Cross multiply
    875,666.92x = 1,313,734.38 × 314,706.28
  4. Step 4: Simplify right side
    875,666.92x = 413,440,459,637.91
  5. Step 5: Solve for x
    x = 413,440,459,637.91/875,666.92
  6. Step 6: Final answer
    x = 472,143.52

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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.