Home / 674,450.04-1,012,174.02-319,465.92

Finding the Fourth Proportional to 674,450.04, 1,012,174.02 and 319,465.92

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Solution

The fourth proportional to 674,450.04, 1,012,174.02 and 319,465.92 is: 479,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,450.04 : 1,012,174.02 = 319,465.92 : x
  2. Step 2: Convert to fraction form
    674,450.04/1,012,174.02 = 319,465.92/x
  3. Step 3: Cross multiply
    674,450.04x = 1,012,174.02 × 319,465.92
  4. Step 4: Simplify right side
    674,450.04x = 323,355,104,499.40
  5. Step 5: Solve for x
    x = 323,355,104,499.40/674,450.04
  6. Step 6: Final answer
    x = 479,435.22

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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.