Home / 519,417.11-779,245.70-164,431.13

Finding the Fourth Proportional to 519,417.11, 779,245.70 and 164,431.13

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Solution

The fourth proportional to 519,417.11, 779,245.70 and 164,431.13 is: 246,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,417.11 : 779,245.70 = 164,431.13 : x
  2. Step 2: Convert to fraction form
    519,417.11/779,245.70 = 164,431.13/x
  3. Step 3: Cross multiply
    519,417.11x = 779,245.70 × 164,431.13
  4. Step 4: Simplify right side
    519,417.11x = 128,132,252,885.32
  5. Step 5: Solve for x
    x = 128,132,252,885.32/519,417.11
  6. Step 6: Final answer
    x = 246,684.70

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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.