Home / 711,153.60-1,066,730.40-633,739.20

Finding the Fourth Proportional to 711,153.60, 1,066,730.40 and 633,739.20

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Solution

The fourth proportional to 711,153.60, 1,066,730.40 and 633,739.20 is: 950,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,153.60 : 1,066,730.40 = 633,739.20 : x
  2. Step 2: Convert to fraction form
    711,153.60/1,066,730.40 = 633,739.20/x
  3. Step 3: Cross multiply
    711,153.60x = 1,066,730.40 × 633,739.20
  4. Step 4: Simplify right side
    711,153.60x = 676,028,870,311.68
  5. Step 5: Solve for x
    x = 676,028,870,311.68/711,153.60
  6. Step 6: Final answer
    x = 950,608.80

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Similar ratio
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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.