Home / 1,066,878.34-1,472,426.60-699,664.29

Finding the Fourth Proportional to 1,066,878.34, 1,472,426.60 and 699,664.29

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Solution

The fourth proportional to 1,066,878.34, 1,472,426.60 and 699,664.29 is: 965,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,878.34 : 1,472,426.60 = 699,664.29 : x
  2. Step 2: Convert to fraction form
    1,066,878.34/1,472,426.60 = 699,664.29/x
  3. Step 3: Cross multiply
    1,066,878.34x = 1,472,426.60 × 699,664.29
  4. Step 4: Simplify right side
    1,066,878.34x = 1,030,204,318,349.47
  5. Step 5: Solve for x
    x = 1,030,204,318,349.47/1,066,878.34
  6. Step 6: Final answer
    x = 965,624.93

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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.