Home / 798,914.31-1,102,500-436,338.20

Finding the Fourth Proportional to 798,914.31, 1,102,500 and 436,338.20

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Solution

The fourth proportional to 798,914.31, 1,102,500 and 436,338.20 is: 602,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,914.31 : 1,102,500 = 436,338.20 : x
  2. Step 2: Convert to fraction form
    798,914.31/1,102,500 = 436,338.20/x
  3. Step 3: Cross multiply
    798,914.31x = 1,102,500 × 436,338.20
  4. Step 4: Simplify right side
    798,914.31x = 481,062,859,987.50
  5. Step 5: Solve for x
    x = 481,062,859,987.50/798,914.31
  6. Step 6: Final answer
    x = 602,145.75

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1.5x scale

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.