Home / 711,698.94-1,066,945.50-312,036.84

Finding the Fourth Proportional to 711,698.94, 1,066,945.50 and 312,036.84

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Solution

The fourth proportional to 711,698.94, 1,066,945.50 and 312,036.84 is: 467,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,698.94 : 1,066,945.50 = 312,036.84 : x
  2. Step 2: Convert to fraction form
    711,698.94/1,066,945.50 = 312,036.84/x
  3. Step 3: Cross multiply
    711,698.94x = 1,066,945.50 × 312,036.84
  4. Step 4: Simplify right side
    711,698.94x = 332,926,302,272.22
  5. Step 5: Solve for x
    x = 332,926,302,272.22/711,698.94
  6. Step 6: Final answer
    x = 467,790.92

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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.