Home / 450,123.19-674,435.12-316,723.19

Finding the Fourth Proportional to 450,123.19, 674,435.12 and 316,723.19

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Solution

The fourth proportional to 450,123.19, 674,435.12 and 316,723.19 is: 474,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,123.19 : 674,435.12 = 316,723.19 : x
  2. Step 2: Convert to fraction form
    450,123.19/674,435.12 = 316,723.19/x
  3. Step 3: Cross multiply
    450,123.19x = 674,435.12 × 316,723.19
  4. Step 4: Simplify right side
    450,123.19x = 213,609,241,070.82
  5. Step 5: Solve for x
    x = 213,609,241,070.82/450,123.19
  6. Step 6: Final answer
    x = 474,557.29

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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.