Home / 570,421.98-787,715.76-366,826.47

Finding the Fourth Proportional to 570,421.98, 787,715.76 and 366,826.47

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Solution

The fourth proportional to 570,421.98, 787,715.76 and 366,826.47 is: 506,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,421.98 : 787,715.76 = 366,826.47 : x
  2. Step 2: Convert to fraction form
    570,421.98/787,715.76 = 366,826.47/x
  3. Step 3: Cross multiply
    570,421.98x = 787,715.76 × 366,826.47
  4. Step 4: Simplify right side
    570,421.98x = 288,954,991,604.17
  5. Step 5: Solve for x
    x = 288,954,991,604.17/570,421.98
  6. Step 6: Final answer
    x = 506,563.56

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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.