Home / 570,826.42-787,793.78-316,177.81

Finding the Fourth Proportional to 570,826.42, 787,793.78 and 316,177.81

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Solution

The fourth proportional to 570,826.42, 787,793.78 and 316,177.81 is: 436,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,826.42 : 787,793.78 = 316,177.81 : x
  2. Step 2: Convert to fraction form
    570,826.42/787,793.78 = 316,177.81/x
  3. Step 3: Cross multiply
    570,826.42x = 787,793.78 × 316,177.81
  4. Step 4: Simplify right side
    570,826.42x = 249,082,912,092.02
  5. Step 5: Solve for x
    x = 249,082,912,092.02/570,826.42
  6. Step 6: Final answer
    x = 436,354.91

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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.