Home / 896,690.88-1,344,102.09-391,116.11

Finding the Fourth Proportional to 896,690.88, 1,344,102.09 and 391,116.11

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Solution

The fourth proportional to 896,690.88, 1,344,102.09 and 391,116.11 is: 586,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,690.88 : 1,344,102.09 = 391,116.11 : x
  2. Step 2: Convert to fraction form
    896,690.88/1,344,102.09 = 391,116.11/x
  3. Step 3: Cross multiply
    896,690.88x = 1,344,102.09 × 391,116.11
  4. Step 4: Simplify right side
    896,690.88x = 525,699,974,163.16
  5. Step 5: Solve for x
    x = 525,699,974,163.16/896,690.88
  6. Step 6: Final answer
    x = 586,266.67

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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.