Home / 986,638.32-1,361,565.12-533,929.32

Finding the Fourth Proportional to 986,638.32, 1,361,565.12 and 533,929.32

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Solution

The fourth proportional to 986,638.32, 1,361,565.12 and 533,929.32 is: 736,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,638.32 : 1,361,565.12 = 533,929.32 : x
  2. Step 2: Convert to fraction form
    986,638.32/1,361,565.12 = 533,929.32/x
  3. Step 3: Cross multiply
    986,638.32x = 1,361,565.12 × 533,929.32
  4. Step 4: Simplify right side
    986,638.32x = 726,979,538,657.32
  5. Step 5: Solve for x
    x = 726,979,538,657.32/986,638.32
  6. Step 6: Final answer
    x = 736,824.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.