Home / 1,286,574.90-1,929,862.35-577,986.90

Finding the Fourth Proportional to 1,286,574.90, 1,929,862.35 and 577,986.90

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Solution

The fourth proportional to 1,286,574.90, 1,929,862.35 and 577,986.90 is: 866,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,574.90 : 1,929,862.35 = 577,986.90 : x
  2. Step 2: Convert to fraction form
    1,286,574.90/1,929,862.35 = 577,986.90/x
  3. Step 3: Cross multiply
    1,286,574.90x = 1,929,862.35 × 577,986.90
  4. Step 4: Simplify right side
    1,286,574.90x = 1,115,435,157,103.22
  5. Step 5: Solve for x
    x = 1,115,435,157,103.22/1,286,574.90
  6. Step 6: Final answer
    x = 866,980.35

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Similar ratio
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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.