Home / 1,255,653.68-1,884,664.20-457,706.48

Finding the Fourth Proportional to 1,255,653.68, 1,884,664.20 and 457,706.48

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Solution

The fourth proportional to 1,255,653.68, 1,884,664.20 and 457,706.48 is: 686,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,653.68 : 1,884,664.20 = 457,706.48 : x
  2. Step 2: Convert to fraction form
    1,255,653.68/1,884,664.20 = 457,706.48/x
  3. Step 3: Cross multiply
    1,255,653.68x = 1,884,664.20 × 457,706.48
  4. Step 4: Simplify right side
    1,255,653.68x = 862,623,016,964.02
  5. Step 5: Solve for x
    x = 862,623,016,964.02/1,255,653.68
  6. Step 6: Final answer
    x = 686,991.19

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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.