Home / 711,789.71-982,519.76-440,066.03

Finding the Fourth Proportional to 711,789.71, 982,519.76 and 440,066.03

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Solution

The fourth proportional to 711,789.71, 982,519.76 and 440,066.03 is: 607,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,789.71 : 982,519.76 = 440,066.03 : x
  2. Step 2: Convert to fraction form
    711,789.71/982,519.76 = 440,066.03/x
  3. Step 3: Cross multiply
    711,789.71x = 982,519.76 × 440,066.03
  4. Step 4: Simplify right side
    711,789.71x = 432,373,567,979.42
  5. Step 5: Solve for x
    x = 432,373,567,979.42/711,789.71
  6. Step 6: Final answer
    x = 607,445.66

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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.