Home / 691,104.10-1,036,656.15-651,738.10

Finding the Fourth Proportional to 691,104.10, 1,036,656.15 and 651,738.10

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Solution

The fourth proportional to 691,104.10, 1,036,656.15 and 651,738.10 is: 977,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,104.10 : 1,036,656.15 = 651,738.10 : x
  2. Step 2: Convert to fraction form
    691,104.10/1,036,656.15 = 651,738.10/x
  3. Step 3: Cross multiply
    691,104.10x = 1,036,656.15 × 651,738.10
  4. Step 4: Simplify right side
    691,104.10x = 675,628,309,554.32
  5. Step 5: Solve for x
    x = 675,628,309,554.32/691,104.10
  6. Step 6: Final answer
    x = 977,607.15

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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.