Home / 810,049.24-1,118,186.64-534,363.28

Finding the Fourth Proportional to 810,049.24, 1,118,186.64 and 534,363.28

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Solution

The fourth proportional to 810,049.24, 1,118,186.64 and 534,363.28 is: 737,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,049.24 : 1,118,186.64 = 534,363.28 : x
  2. Step 2: Convert to fraction form
    810,049.24/1,118,186.64 = 534,363.28/x
  3. Step 3: Cross multiply
    810,049.24x = 1,118,186.64 × 534,363.28
  4. Step 4: Simplify right side
    810,049.24x = 597,517,880,602.58
  5. Step 5: Solve for x
    x = 597,517,880,602.58/810,049.24
  6. Step 6: Final answer
    x = 737,631.56

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Half scale
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Double scale
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Similar ratio
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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.