Home / 857,981.16-1,286,973.31-352,189.62

Finding the Fourth Proportional to 857,981.16, 1,286,973.31 and 352,189.62

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Solution

The fourth proportional to 857,981.16, 1,286,973.31 and 352,189.62 is: 528,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,981.16 : 1,286,973.31 = 352,189.62 : x
  2. Step 2: Convert to fraction form
    857,981.16/1,286,973.31 = 352,189.62/x
  3. Step 3: Cross multiply
    857,981.16x = 1,286,973.31 × 352,189.62
  4. Step 4: Simplify right side
    857,981.16x = 453,258,640,999.04
  5. Step 5: Solve for x
    x = 453,258,640,999.04/857,981.16
  6. Step 6: Final answer
    x = 528,285.07

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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.