Home / 711,902.16-982,470.60-410,090.96

Finding the Fourth Proportional to 711,902.16, 982,470.60 and 410,090.96

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Solution

The fourth proportional to 711,902.16, 982,470.60 and 410,090.96 is: 565,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,902.16 : 982,470.60 = 410,090.96 : x
  2. Step 2: Convert to fraction form
    711,902.16/982,470.60 = 410,090.96/x
  3. Step 3: Cross multiply
    711,902.16x = 982,470.60 × 410,090.96
  4. Step 4: Simplify right side
    711,902.16x = 402,902,311,525.78
  5. Step 5: Solve for x
    x = 402,902,311,525.78/711,902.16
  6. Step 6: Final answer
    x = 565,951.80

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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.