Home / 818,634.33-1,129,712.54-456,036.75

Finding the Fourth Proportional to 818,634.33, 1,129,712.54 and 456,036.75

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Solution

The fourth proportional to 818,634.33, 1,129,712.54 and 456,036.75 is: 629,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,634.33 : 1,129,712.54 = 456,036.75 : x
  2. Step 2: Convert to fraction form
    818,634.33/1,129,712.54 = 456,036.75/x
  3. Step 3: Cross multiply
    818,634.33x = 1,129,712.54 × 456,036.75
  4. Step 4: Simplify right side
    818,634.33x = 515,190,432,895.66
  5. Step 5: Solve for x
    x = 515,190,432,895.66/818,634.33
  6. Step 6: Final answer
    x = 629,329.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.