Home / 924,170.40-1,386,255.60-259,322.40

Finding the Fourth Proportional to 924,170.40, 1,386,255.60 and 259,322.40

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Solution

The fourth proportional to 924,170.40, 1,386,255.60 and 259,322.40 is: 388,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,170.40 : 1,386,255.60 = 259,322.40 : x
  2. Step 2: Convert to fraction form
    924,170.40/1,386,255.60 = 259,322.40/x
  3. Step 3: Cross multiply
    924,170.40x = 1,386,255.60 × 259,322.40
  4. Step 4: Simplify right side
    924,170.40x = 359,487,129,205.44
  5. Step 5: Solve for x
    x = 359,487,129,205.44/924,170.40
  6. Step 6: Final answer
    x = 388,983.60

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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.