Home / 892,868.40-1,339,302.60-519,620.40

Finding the Fourth Proportional to 892,868.40, 1,339,302.60 and 519,620.40

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Solution

The fourth proportional to 892,868.40, 1,339,302.60 and 519,620.40 is: 779,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,868.40 : 1,339,302.60 = 519,620.40 : x
  2. Step 2: Convert to fraction form
    892,868.40/1,339,302.60 = 519,620.40/x
  3. Step 3: Cross multiply
    892,868.40x = 1,339,302.60 × 519,620.40
  4. Step 4: Simplify right side
    892,868.40x = 695,928,952,733.04
  5. Step 5: Solve for x
    x = 695,928,952,733.04/892,868.40
  6. Step 6: Final answer
    x = 779,430.60

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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.