Home / 612,867.06-845,059.23-431,521.02

Finding the Fourth Proportional to 612,867.06, 845,059.23 and 431,521.02

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Solution

The fourth proportional to 612,867.06, 845,059.23 and 431,521.02 is: 595,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,867.06 : 845,059.23 = 431,521.02 : x
  2. Step 2: Convert to fraction form
    612,867.06/845,059.23 = 431,521.02/x
  3. Step 3: Cross multiply
    612,867.06x = 845,059.23 × 431,521.02
  4. Step 4: Simplify right side
    612,867.06x = 364,660,820,890.02
  5. Step 5: Solve for x
    x = 364,660,820,890.02/612,867.06
  6. Step 6: Final answer
    x = 595,008.03

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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.