Home / 1,074,982.32-1,612,415.16-326,970

Finding the Fourth Proportional to 1,074,982.32, 1,612,415.16 and 326,970

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Solution

The fourth proportional to 1,074,982.32, 1,612,415.16 and 326,970 is: 490,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,982.32 : 1,612,415.16 = 326,970 : x
  2. Step 2: Convert to fraction form
    1,074,982.32/1,612,415.16 = 326,970/x
  3. Step 3: Cross multiply
    1,074,982.32x = 1,612,415.16 × 326,970
  4. Step 4: Simplify right side
    1,074,982.32x = 527,211,384,865.20
  5. Step 5: Solve for x
    x = 527,211,384,865.20/1,074,982.32
  6. Step 6: Final answer
    x = 490,437.26

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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.