Home / 1,908,701.32-2,862,977.18-646,528.90

Finding the Fourth Proportional to 1,908,701.32, 2,862,977.18 and 646,528.90

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Solution

The fourth proportional to 1,908,701.32, 2,862,977.18 and 646,528.90 is: 969,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,701.32 : 2,862,977.18 = 646,528.90 : x
  2. Step 2: Convert to fraction form
    1,908,701.32/2,862,977.18 = 646,528.90/x
  3. Step 3: Cross multiply
    1,908,701.32x = 2,862,977.18 × 646,528.90
  4. Step 4: Simplify right side
    1,908,701.32x = 1,850,997,486,910.50
  5. Step 5: Solve for x
    x = 1,850,997,486,910.50/1,908,701.32
  6. Step 6: Final answer
    x = 969,768.01

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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.