Home / 1,284,527.16-1,772,570.79-711,525.87

Finding the Fourth Proportional to 1,284,527.16, 1,772,570.79 and 711,525.87

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Solution

The fourth proportional to 1,284,527.16, 1,772,570.79 and 711,525.87 is: 981,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,527.16 : 1,772,570.79 = 711,525.87 : x
  2. Step 2: Convert to fraction form
    1,284,527.16/1,772,570.79 = 711,525.87/x
  3. Step 3: Cross multiply
    1,284,527.16x = 1,772,570.79 × 711,525.87
  4. Step 4: Simplify right side
    1,284,527.16x = 1,261,229,973,491.34
  5. Step 5: Solve for x
    x = 1,261,229,973,491.34/1,284,527.16
  6. Step 6: Final answer
    x = 981,863.22

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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.