Home / 519,826.60-779,739.90-164,868.40

Finding the Fourth Proportional to 519,826.60, 779,739.90 and 164,868.40

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Solution

The fourth proportional to 519,826.60, 779,739.90 and 164,868.40 is: 247,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,826.60 : 779,739.90 = 164,868.40 : x
  2. Step 2: Convert to fraction form
    519,826.60/779,739.90 = 164,868.40/x
  3. Step 3: Cross multiply
    519,826.60x = 779,739.90 × 164,868.40
  4. Step 4: Simplify right side
    519,826.60x = 128,554,469,729.16
  5. Step 5: Solve for x
    x = 128,554,469,729.16/519,826.60
  6. Step 6: Final answer
    x = 247,302.60

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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.