Home / 492,041.10-679,081.23-277,222.62

Finding the Fourth Proportional to 492,041.10, 679,081.23 and 277,222.62

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Solution

The fourth proportional to 492,041.10, 679,081.23 and 277,222.62 is: 382,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,041.10 : 679,081.23 = 277,222.62 : x
  2. Step 2: Convert to fraction form
    492,041.10/679,081.23 = 277,222.62/x
  3. Step 3: Cross multiply
    492,041.10x = 679,081.23 × 277,222.62
  4. Step 4: Simplify right side
    492,041.10x = 188,256,677,773.42
  5. Step 5: Solve for x
    x = 188,256,677,773.42/492,041.10
  6. Step 6: Final answer
    x = 382,603.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.