Home / 1,116,638.20-1,540,884.90-607,329.64

Finding the Fourth Proportional to 1,116,638.20, 1,540,884.90 and 607,329.64

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Solution

The fourth proportional to 1,116,638.20, 1,540,884.90 and 607,329.64 is: 838,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,638.20 : 1,540,884.90 = 607,329.64 : x
  2. Step 2: Convert to fraction form
    1,116,638.20/1,540,884.90 = 607,329.64/x
  3. Step 3: Cross multiply
    1,116,638.20x = 1,540,884.90 × 607,329.64
  4. Step 4: Simplify right side
    1,116,638.20x = 935,825,071,598.44
  5. Step 5: Solve for x
    x = 935,825,071,598.44/1,116,638.20
  6. Step 6: Final answer
    x = 838,073.67

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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.