Home / 1,034,588.40-1,551,931.20-324,639.60

Finding the Fourth Proportional to 1,034,588.40, 1,551,931.20 and 324,639.60

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Solution

The fourth proportional to 1,034,588.40, 1,551,931.20 and 324,639.60 is: 486,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,588.40 : 1,551,931.20 = 324,639.60 : x
  2. Step 2: Convert to fraction form
    1,034,588.40/1,551,931.20 = 324,639.60/x
  3. Step 3: Cross multiply
    1,034,588.40x = 1,551,931.20 × 324,639.60
  4. Step 4: Simplify right side
    1,034,588.40x = 503,818,323,995.52
  5. Step 5: Solve for x
    x = 503,818,323,995.52/1,034,588.40
  6. Step 6: Final answer
    x = 486,974.65

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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.