Home / 822,012.30-1,233,018.45-231,036.30

Finding the Fourth Proportional to 822,012.30, 1,233,018.45 and 231,036.30

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Solution

The fourth proportional to 822,012.30, 1,233,018.45 and 231,036.30 is: 346,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,012.30 : 1,233,018.45 = 231,036.30 : x
  2. Step 2: Convert to fraction form
    822,012.30/1,233,018.45 = 231,036.30/x
  3. Step 3: Cross multiply
    822,012.30x = 1,233,018.45 × 231,036.30
  4. Step 4: Simplify right side
    822,012.30x = 284,872,020,519.74
  5. Step 5: Solve for x
    x = 284,872,020,519.74/822,012.30
  6. Step 6: Final answer
    x = 346,554.45

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Half scale
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Double scale
Find fourth proportional to 822,013.30, 1,233,019.95 and 231,037.30
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.