Home / 814,352.90-1,221,140.46-477,496.13

Finding the Fourth Proportional to 814,352.90, 1,221,140.46 and 477,496.13

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Solution

The fourth proportional to 814,352.90, 1,221,140.46 and 477,496.13 is: 716,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,352.90 : 1,221,140.46 = 477,496.13 : x
  2. Step 2: Convert to fraction form
    814,352.90/1,221,140.46 = 477,496.13/x
  3. Step 3: Cross multiply
    814,352.90x = 1,221,140.46 × 477,496.13
  4. Step 4: Simplify right side
    814,352.90x = 583,089,843,836.42
  5. Step 5: Solve for x
    x = 583,089,843,836.42/814,352.90
  6. Step 6: Final answer
    x = 716,016.17

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1.5x scale

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.