Home / 1,539,131.40-2,306,683.80-827,627.40

Finding the Fourth Proportional to 1,539,131.40, 2,306,683.80 and 827,627.40

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Solution

The fourth proportional to 1,539,131.40, 2,306,683.80 and 827,627.40 is: 1,240,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,131.40 : 2,306,683.80 = 827,627.40 : x
  2. Step 2: Convert to fraction form
    1,539,131.40/2,306,683.80 = 827,627.40/x
  3. Step 3: Cross multiply
    1,539,131.40x = 2,306,683.80 × 827,627.40
  4. Step 4: Simplify right side
    1,539,131.40x = 1,909,074,716,016.12
  5. Step 5: Solve for x
    x = 1,909,074,716,016.12/1,539,131.40
  6. Step 6: Final answer
    x = 1,240,358.50

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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.