Home / 613,743.30-846,736.56-612,797.13

Finding the Fourth Proportional to 613,743.30, 846,736.56 and 612,797.13

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Solution

The fourth proportional to 613,743.30, 846,736.56 and 612,797.13 is: 845,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,743.30 : 846,736.56 = 612,797.13 : x
  2. Step 2: Convert to fraction form
    613,743.30/846,736.56 = 612,797.13/x
  3. Step 3: Cross multiply
    613,743.30x = 846,736.56 × 612,797.13
  4. Step 4: Simplify right side
    613,743.30x = 518,877,733,834.07
  5. Step 5: Solve for x
    x = 518,877,733,834.07/613,743.30
  6. Step 6: Final answer
    x = 845,431.20

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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.