Home / 416,021.80-623,531.40-191,071.84

Finding the Fourth Proportional to 416,021.80, 623,531.40 and 191,071.84

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Solution

The fourth proportional to 416,021.80, 623,531.40 and 191,071.84 is: 286,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,021.80 : 623,531.40 = 191,071.84 : x
  2. Step 2: Convert to fraction form
    416,021.80/623,531.40 = 191,071.84/x
  3. Step 3: Cross multiply
    416,021.80x = 623,531.40 × 191,071.84
  4. Step 4: Simplify right side
    416,021.80x = 119,139,291,895.78
  5. Step 5: Solve for x
    x = 119,139,291,895.78/416,021.80
  6. Step 6: Final answer
    x = 286,377.52

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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.