Home / 879,979.82-1,319,758.23-406,210.10

Finding the Fourth Proportional to 879,979.82, 1,319,758.23 and 406,210.10

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Solution

The fourth proportional to 879,979.82, 1,319,758.23 and 406,210.10 is: 609,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,979.82 : 1,319,758.23 = 406,210.10 : x
  2. Step 2: Convert to fraction form
    879,979.82/1,319,758.23 = 406,210.10/x
  3. Step 3: Cross multiply
    879,979.82x = 1,319,758.23 × 406,210.10
  4. Step 4: Simplify right side
    879,979.82x = 536,099,122,584.12
  5. Step 5: Solve for x
    x = 536,099,122,584.12/879,979.82
  6. Step 6: Final answer
    x = 609,217.52

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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.