Home / 570,834.47-787,777.54-316,185.66

Finding the Fourth Proportional to 570,834.47, 787,777.54 and 316,185.66

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Solution

The fourth proportional to 570,834.47, 787,777.54 and 316,185.66 is: 436,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,834.47 : 787,777.54 = 316,185.66 : x
  2. Step 2: Convert to fraction form
    570,834.47/787,777.54 = 316,185.66/x
  3. Step 3: Cross multiply
    570,834.47x = 787,777.54 × 316,185.66
  4. Step 4: Simplify right side
    570,834.47x = 249,083,960,627.61
  5. Step 5: Solve for x
    x = 249,083,960,627.61/570,834.47
  6. Step 6: Final answer
    x = 436,350.59

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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.