Home / 711,688.80-1,066,237.20-336,885.60

Finding the Fourth Proportional to 711,688.80, 1,066,237.20 and 336,885.60

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Solution

The fourth proportional to 711,688.80, 1,066,237.20 and 336,885.60 is: 504,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,688.80 : 1,066,237.20 = 336,885.60 : x
  2. Step 2: Convert to fraction form
    711,688.80/1,066,237.20 = 336,885.60/x
  3. Step 3: Cross multiply
    711,688.80x = 1,066,237.20 × 336,885.60
  4. Step 4: Simplify right side
    711,688.80x = 359,199,958,864.32
  5. Step 5: Solve for x
    x = 359,199,958,864.32/711,688.80
  6. Step 6: Final answer
    x = 504,714.92

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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.