Home / 1,441,630.50-1,989,596.70-829,808.88

Finding the Fourth Proportional to 1,441,630.50, 1,989,596.70 and 829,808.88

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Solution

The fourth proportional to 1,441,630.50, 1,989,596.70 and 829,808.88 is: 1,145,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,630.50 : 1,989,596.70 = 829,808.88 : x
  2. Step 2: Convert to fraction form
    1,441,630.50/1,989,596.70 = 829,808.88/x
  3. Step 3: Cross multiply
    1,441,630.50x = 1,989,596.70 × 829,808.88
  4. Step 4: Simplify right side
    1,441,630.50x = 1,650,985,009,278.70
  5. Step 5: Solve for x
    x = 1,650,985,009,278.70/1,441,630.50
  6. Step 6: Final answer
    x = 1,145,220.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.