Home / 657,814.56-986,549.04-283,754.40

Finding the Fourth Proportional to 657,814.56, 986,549.04 and 283,754.40

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Solution

The fourth proportional to 657,814.56, 986,549.04 and 283,754.40 is: 425,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,814.56 : 986,549.04 = 283,754.40 : x
  2. Step 2: Convert to fraction form
    657,814.56/986,549.04 = 283,754.40/x
  3. Step 3: Cross multiply
    657,814.56x = 986,549.04 × 283,754.40
  4. Step 4: Simplify right side
    657,814.56x = 279,937,630,915.78
  5. Step 5: Solve for x
    x = 279,937,630,915.78/657,814.56
  6. Step 6: Final answer
    x = 425,557.06

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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.