Home / 1,106,203.15-1,658,749-644,729.68

Finding the Fourth Proportional to 1,106,203.15, 1,658,749 and 644,729.68

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Solution

The fourth proportional to 1,106,203.15, 1,658,749 and 644,729.68 is: 966,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,203.15 : 1,658,749 = 644,729.68 : x
  2. Step 2: Convert to fraction form
    1,106,203.15/1,658,749 = 644,729.68/x
  3. Step 3: Cross multiply
    1,106,203.15x = 1,658,749 × 644,729.68
  4. Step 4: Simplify right side
    1,106,203.15x = 1,069,444,711,970.32
  5. Step 5: Solve for x
    x = 1,069,444,711,970.32/1,106,203.15
  6. Step 6: Final answer
    x = 966,770.63

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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.