Home / 860,250.32-1,289,419.32-649,203.92

Finding the Fourth Proportional to 860,250.32, 1,289,419.32 and 649,203.92

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Solution

The fourth proportional to 860,250.32, 1,289,419.32 and 649,203.92 is: 973,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,250.32 : 1,289,419.32 = 649,203.92 : x
  2. Step 2: Convert to fraction form
    860,250.32/1,289,419.32 = 649,203.92/x
  3. Step 3: Cross multiply
    860,250.32x = 1,289,419.32 × 649,203.92
  4. Step 4: Simplify right side
    860,250.32x = 837,096,077,067.74
  5. Step 5: Solve for x
    x = 837,096,077,067.74/860,250.32
  6. Step 6: Final answer
    x = 973,084.30

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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.