Home / 6,476,989.60-9,715,484.40-1,988,682.40

Finding the Fourth Proportional to 6,476,989.60, 9,715,484.40 and 1,988,682.40

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Solution

The fourth proportional to 6,476,989.60, 9,715,484.40 and 1,988,682.40 is: 2,983,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,989.60 : 9,715,484.40 = 1,988,682.40 : x
  2. Step 2: Convert to fraction form
    6,476,989.60/9,715,484.40 = 1,988,682.40/x
  3. Step 3: Cross multiply
    6,476,989.60x = 9,715,484.40 × 1,988,682.40
  4. Step 4: Simplify right side
    6,476,989.60x = 19,321,012,833,754.56
  5. Step 5: Solve for x
    x = 19,321,012,833,754.56/6,476,989.60
  6. Step 6: Final answer
    x = 2,983,023.60

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1.5x scale

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.