Home / 511,832.18-706,554.89-330,632.45

Finding the Fourth Proportional to 511,832.18, 706,554.89 and 330,632.45

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Solution

The fourth proportional to 511,832.18, 706,554.89 and 330,632.45 is: 456,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,832.18 : 706,554.89 = 330,632.45 : x
  2. Step 2: Convert to fraction form
    511,832.18/706,554.89 = 330,632.45/x
  3. Step 3: Cross multiply
    511,832.18x = 706,554.89 × 330,632.45
  4. Step 4: Simplify right side
    511,832.18x = 233,609,969,154.24
  5. Step 5: Solve for x
    x = 233,609,969,154.24/511,832.18
  6. Step 6: Final answer
    x = 456,419.08

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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.