Home / 766,169.82-1,148,860.98-411,482.16

Finding the Fourth Proportional to 766,169.82, 1,148,860.98 and 411,482.16

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Solution

The fourth proportional to 766,169.82, 1,148,860.98 and 411,482.16 is: 617,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,169.82 : 1,148,860.98 = 411,482.16 : x
  2. Step 2: Convert to fraction form
    766,169.82/1,148,860.98 = 411,482.16/x
  3. Step 3: Cross multiply
    766,169.82x = 1,148,860.98 × 411,482.16
  4. Step 4: Simplify right side
    766,169.82x = 472,735,797,590.12
  5. Step 5: Solve for x
    x = 472,735,797,590.12/766,169.82
  6. Step 6: Final answer
    x = 617,011.77

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Double scale
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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.