Home / 917,191.54-1,369,611.12-749,045.67

Finding the Fourth Proportional to 917,191.54, 1,369,611.12 and 749,045.67

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Solution

The fourth proportional to 917,191.54, 1,369,611.12 and 749,045.67 is: 1,118,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,191.54 : 1,369,611.12 = 749,045.67 : x
  2. Step 2: Convert to fraction form
    917,191.54/1,369,611.12 = 749,045.67/x
  3. Step 3: Cross multiply
    917,191.54x = 1,369,611.12 × 749,045.67
  4. Step 4: Simplify right side
    917,191.54x = 1,025,901,279,019.85
  5. Step 5: Solve for x
    x = 1,025,901,279,019.85/917,191.54
  6. Step 6: Final answer
    x = 1,118,524.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.