Home / 671,417.53-1,007,159.76-191,716.48

Finding the Fourth Proportional to 671,417.53, 1,007,159.76 and 191,716.48

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Solution

The fourth proportional to 671,417.53, 1,007,159.76 and 191,716.48 is: 287,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,417.53 : 1,007,159.76 = 191,716.48 : x
  2. Step 2: Convert to fraction form
    671,417.53/1,007,159.76 = 191,716.48/x
  3. Step 3: Cross multiply
    671,417.53x = 1,007,159.76 × 191,716.48
  4. Step 4: Simplify right side
    671,417.53x = 193,089,123,984.85
  5. Step 5: Solve for x
    x = 193,089,123,984.85/671,417.53
  6. Step 6: Final answer
    x = 287,584.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.