Home / 1,069,623.21-1,605,065.51-396,177.57

Finding the Fourth Proportional to 1,069,623.21, 1,605,065.51 and 396,177.57

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Solution

The fourth proportional to 1,069,623.21, 1,605,065.51 and 396,177.57 is: 594,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,623.21 : 1,605,065.51 = 396,177.57 : x
  2. Step 2: Convert to fraction form
    1,069,623.21/1,605,065.51 = 396,177.57/x
  3. Step 3: Cross multiply
    1,069,623.21x = 1,605,065.51 × 396,177.57
  4. Step 4: Simplify right side
    1,069,623.21x = 635,890,951,461.72
  5. Step 5: Solve for x
    x = 635,890,951,461.72/1,069,623.21
  6. Step 6: Final answer
    x = 594,499.96

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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.