Home / 386,316.10-579,474.15-176,364.10

Finding the Fourth Proportional to 386,316.10, 579,474.15 and 176,364.10

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Solution

The fourth proportional to 386,316.10, 579,474.15 and 176,364.10 is: 264,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,316.10 : 579,474.15 = 176,364.10 : x
  2. Step 2: Convert to fraction form
    386,316.10/579,474.15 = 176,364.10/x
  3. Step 3: Cross multiply
    386,316.10x = 579,474.15 × 176,364.10
  4. Step 4: Simplify right side
    386,316.10x = 102,198,436,938.02
  5. Step 5: Solve for x
    x = 102,198,436,938.02/386,316.10
  6. Step 6: Final answer
    x = 264,546.15

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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.