Home / 723,166.20-1,084,554.90-217,726.20

Finding the Fourth Proportional to 723,166.20, 1,084,554.90 and 217,726.20

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Solution

The fourth proportional to 723,166.20, 1,084,554.90 and 217,726.20 is: 326,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,166.20 : 1,084,554.90 = 217,726.20 : x
  2. Step 2: Convert to fraction form
    723,166.20/1,084,554.90 = 217,726.20/x
  3. Step 3: Cross multiply
    723,166.20x = 1,084,554.90 × 217,726.20
  4. Step 4: Simplify right side
    723,166.20x = 236,136,017,068.38
  5. Step 5: Solve for x
    x = 236,136,017,068.38/723,166.20
  6. Step 6: Final answer
    x = 326,530.77

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Half scale
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Double scale
Find fourth proportional to 723,167.20, 1,084,556.40 and 217,727.20
Similar ratio
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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.