Home / 831,958.80-1,249,250.40-477,664.80

Finding the Fourth Proportional to 831,958.80, 1,249,250.40 and 477,664.80

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Solution

The fourth proportional to 831,958.80, 1,249,250.40 and 477,664.80 is: 717,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,958.80 : 1,249,250.40 = 477,664.80 : x
  2. Step 2: Convert to fraction form
    831,958.80/1,249,250.40 = 477,664.80/x
  3. Step 3: Cross multiply
    831,958.80x = 1,249,250.40 × 477,664.80
  4. Step 4: Simplify right side
    831,958.80x = 596,722,942,465.92
  5. Step 5: Solve for x
    x = 596,722,942,465.92/831,958.80
  6. Step 6: Final answer
    x = 717,250.59

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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.