Home / 912,086.20-1,368,005.10-238,220.20

Finding the Fourth Proportional to 912,086.20, 1,368,005.10 and 238,220.20

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Solution

The fourth proportional to 912,086.20, 1,368,005.10 and 238,220.20 is: 357,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,086.20 : 1,368,005.10 = 238,220.20 : x
  2. Step 2: Convert to fraction form
    912,086.20/1,368,005.10 = 238,220.20/x
  3. Step 3: Cross multiply
    912,086.20x = 1,368,005.10 × 238,220.20
  4. Step 4: Simplify right side
    912,086.20x = 325,886,448,523.02
  5. Step 5: Solve for x
    x = 325,886,448,523.02/912,086.20
  6. Step 6: Final answer
    x = 357,297.86

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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.