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Finding the Fourth Proportional to 883,593.80, 1,325,390.70 and 785,616.20

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Solution

The fourth proportional to 883,593.80, 1,325,390.70 and 785,616.20 is: 1,178,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,593.80 : 1,325,390.70 = 785,616.20 : x
  2. Step 2: Convert to fraction form
    883,593.80/1,325,390.70 = 785,616.20/x
  3. Step 3: Cross multiply
    883,593.80x = 1,325,390.70 × 785,616.20
  4. Step 4: Simplify right side
    883,593.80x = 1,041,248,405,249.34
  5. Step 5: Solve for x
    x = 1,041,248,405,249.34/883,593.80
  6. Step 6: Final answer
    x = 1,178,424.30

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Similar ratio
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1.5x scale

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.