Home / 711,610.36-982,377.66-409,746.04

Finding the Fourth Proportional to 711,610.36, 982,377.66 and 409,746.04

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Solution

The fourth proportional to 711,610.36, 982,377.66 and 409,746.04 is: 565,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,610.36 : 982,377.66 = 409,746.04 : x
  2. Step 2: Convert to fraction form
    711,610.36/982,377.66 = 409,746.04/x
  3. Step 3: Cross multiply
    711,610.36x = 982,377.66 × 409,746.04
  4. Step 4: Simplify right side
    711,610.36x = 402,525,355,969.47
  5. Step 5: Solve for x
    x = 402,525,355,969.47/711,610.36
  6. Step 6: Final answer
    x = 565,654.15

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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.