Home / 570,926.43-787,904.09-316,261.22

Finding the Fourth Proportional to 570,926.43, 787,904.09 and 316,261.22

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Solution

The fourth proportional to 570,926.43, 787,904.09 and 316,261.22 is: 436,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,926.43 : 787,904.09 = 316,261.22 : x
  2. Step 2: Convert to fraction form
    570,926.43/787,904.09 = 316,261.22/x
  3. Step 3: Cross multiply
    570,926.43x = 787,904.09 × 316,261.22
  4. Step 4: Simplify right side
    570,926.43x = 249,183,503,225.56
  5. Step 5: Solve for x
    x = 249,183,503,225.56/570,926.43
  6. Step 6: Final answer
    x = 436,454.66

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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.