Home / 753,333.30-1,039,607.51-409,175.97

Finding the Fourth Proportional to 753,333.30, 1,039,607.51 and 409,175.97

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Solution

The fourth proportional to 753,333.30, 1,039,607.51 and 409,175.97 is: 564,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,333.30 : 1,039,607.51 = 409,175.97 : x
  2. Step 2: Convert to fraction form
    753,333.30/1,039,607.51 = 409,175.97/x
  3. Step 3: Cross multiply
    753,333.30x = 1,039,607.51 × 409,175.97
  4. Step 4: Simplify right side
    753,333.30x = 425,382,409,142.69
  5. Step 5: Solve for x
    x = 425,382,409,142.69/753,333.30
  6. Step 6: Final answer
    x = 564,666.94

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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.