Home / 1,066,873.16-1,471,838.40-699,438.53

Finding the Fourth Proportional to 1,066,873.16, 1,471,838.40 and 699,438.53

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Solution

The fourth proportional to 1,066,873.16, 1,471,838.40 and 699,438.53 is: 964,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,873.16 : 1,471,838.40 = 699,438.53 : x
  2. Step 2: Convert to fraction form
    1,066,873.16/1,471,838.40 = 699,438.53/x
  3. Step 3: Cross multiply
    1,066,873.16x = 1,471,838.40 × 699,438.53
  4. Step 4: Simplify right side
    1,066,873.16x = 1,029,460,490,573.15
  5. Step 5: Solve for x
    x = 1,029,460,490,573.15/1,066,873.16
  6. Step 6: Final answer
    x = 964,932.41

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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.