Home / 612,741.02-844,988.91-408,800.23

Finding the Fourth Proportional to 612,741.02, 844,988.91 and 408,800.23

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Solution

The fourth proportional to 612,741.02, 844,988.91 and 408,800.23 is: 563,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,741.02 : 844,988.91 = 408,800.23 : x
  2. Step 2: Convert to fraction form
    612,741.02/844,988.91 = 408,800.23/x
  3. Step 3: Cross multiply
    612,741.02x = 844,988.91 × 408,800.23
  4. Step 4: Simplify right side
    612,741.02x = 345,431,660,755.45
  5. Step 5: Solve for x
    x = 345,431,660,755.45/612,741.02
  6. Step 6: Final answer
    x = 563,748.22

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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.