Home / 885,156.32-1,322,695.48-664,628.52

Finding the Fourth Proportional to 885,156.32, 1,322,695.48 and 664,628.52

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Solution

The fourth proportional to 885,156.32, 1,322,695.48 and 664,628.52 is: 993,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,156.32 : 1,322,695.48 = 664,628.52 : x
  2. Step 2: Convert to fraction form
    885,156.32/1,322,695.48 = 664,628.52/x
  3. Step 3: Cross multiply
    885,156.32x = 1,322,695.48 × 664,628.52
  4. Step 4: Simplify right side
    885,156.32x = 879,101,139,283.09
  5. Step 5: Solve for x
    x = 879,101,139,283.09/885,156.32
  6. Step 6: Final answer
    x = 993,159.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.