Home / 571,852.20-789,150.36-317,196.84

Finding the Fourth Proportional to 571,852.20, 789,150.36 and 317,196.84

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Solution

The fourth proportional to 571,852.20, 789,150.36 and 317,196.84 is: 437,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,852.20 : 789,150.36 = 317,196.84 : x
  2. Step 2: Convert to fraction form
    571,852.20/789,150.36 = 317,196.84/x
  3. Step 3: Cross multiply
    571,852.20x = 789,150.36 × 317,196.84
  4. Step 4: Simplify right side
    571,852.20x = 250,316,000,476.86
  5. Step 5: Solve for x
    x = 250,316,000,476.86/571,852.20
  6. Step 6: Final answer
    x = 437,728.49

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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.