Home / 571,931.12-789,238.19-313,802.24

Finding the Fourth Proportional to 571,931.12, 789,238.19 and 313,802.24

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Solution

The fourth proportional to 571,931.12, 789,238.19 and 313,802.24 is: 433,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,931.12 : 789,238.19 = 313,802.24 : x
  2. Step 2: Convert to fraction form
    571,931.12/789,238.19 = 313,802.24/x
  3. Step 3: Cross multiply
    571,931.12x = 789,238.19 × 313,802.24
  4. Step 4: Simplify right side
    571,931.12x = 247,664,711,915.55
  5. Step 5: Solve for x
    x = 247,664,711,915.55/571,931.12
  6. Step 6: Final answer
    x = 433,032.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.