Home / 1,991,032.60-2,986,548.90-571,232.20

Finding the Fourth Proportional to 1,991,032.60, 2,986,548.90 and 571,232.20

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Solution

The fourth proportional to 1,991,032.60, 2,986,548.90 and 571,232.20 is: 856,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,032.60 : 2,986,548.90 = 571,232.20 : x
  2. Step 2: Convert to fraction form
    1,991,032.60/2,986,548.90 = 571,232.20/x
  3. Step 3: Cross multiply
    1,991,032.60x = 2,986,548.90 × 571,232.20
  4. Step 4: Simplify right side
    1,991,032.60x = 1,706,012,898,554.58
  5. Step 5: Solve for x
    x = 1,706,012,898,554.58/1,991,032.60
  6. Step 6: Final answer
    x = 856,848.30

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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.