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Finding the Fourth Proportional to 895,803.20, 1,339,816.80 and 801,713.60

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Solution

The fourth proportional to 895,803.20, 1,339,816.80 and 801,713.60 is: 1,199,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,803.20 : 1,339,816.80 = 801,713.60 : x
  2. Step 2: Convert to fraction form
    895,803.20/1,339,816.80 = 801,713.60/x
  3. Step 3: Cross multiply
    895,803.20x = 1,339,816.80 × 801,713.60
  4. Step 4: Simplify right side
    895,803.20x = 1,074,149,350,068.48
  5. Step 5: Solve for x
    x = 1,074,149,350,068.48/895,803.20
  6. Step 6: Final answer
    x = 1,199,090.77

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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.