Home / 895,076.55-1,235,236.11-487,193.37

Finding the Fourth Proportional to 895,076.55, 1,235,236.11 and 487,193.37

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Solution

The fourth proportional to 895,076.55, 1,235,236.11 and 487,193.37 is: 672,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,076.55 : 1,235,236.11 = 487,193.37 : x
  2. Step 2: Convert to fraction form
    895,076.55/1,235,236.11 = 487,193.37/x
  3. Step 3: Cross multiply
    895,076.55x = 1,235,236.11 × 487,193.37
  4. Step 4: Simplify right side
    895,076.55x = 601,798,843,176.59
  5. Step 5: Solve for x
    x = 601,798,843,176.59/895,076.55
  6. Step 6: Final answer
    x = 672,343.44

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Double scale
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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.