Home / 766,186.01-1,148,490.44-339,922.58

Finding the Fourth Proportional to 766,186.01, 1,148,490.44 and 339,922.58

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Solution

The fourth proportional to 766,186.01, 1,148,490.44 and 339,922.58 is: 509,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,186.01 : 1,148,490.44 = 339,922.58 : x
  2. Step 2: Convert to fraction form
    766,186.01/1,148,490.44 = 339,922.58/x
  3. Step 3: Cross multiply
    766,186.01x = 1,148,490.44 × 339,922.58
  4. Step 4: Simplify right side
    766,186.01x = 390,397,827,727.68
  5. Step 5: Solve for x
    x = 390,397,827,727.68/766,186.01
  6. Step 6: Final answer
    x = 509,534.01

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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.