Home / 691,372.40-1,037,058.60-502,415.60

Finding the Fourth Proportional to 691,372.40, 1,037,058.60 and 502,415.60

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Solution

The fourth proportional to 691,372.40, 1,037,058.60 and 502,415.60 is: 753,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,372.40 : 1,037,058.60 = 502,415.60 : x
  2. Step 2: Convert to fraction form
    691,372.40/1,037,058.60 = 502,415.60/x
  3. Step 3: Cross multiply
    691,372.40x = 1,037,058.60 × 502,415.60
  4. Step 4: Simplify right side
    691,372.40x = 521,034,418,754.16
  5. Step 5: Solve for x
    x = 521,034,418,754.16/691,372.40
  6. Step 6: Final answer
    x = 753,623.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.