Home / 983,040.74-1,474,916.14-343,438.92

Finding the Fourth Proportional to 983,040.74, 1,474,916.14 and 343,438.92

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Solution

The fourth proportional to 983,040.74, 1,474,916.14 and 343,438.92 is: 515,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,040.74 : 1,474,916.14 = 343,438.92 : x
  2. Step 2: Convert to fraction form
    983,040.74/1,474,916.14 = 343,438.92/x
  3. Step 3: Cross multiply
    983,040.74x = 1,474,916.14 × 343,438.92
  4. Step 4: Simplify right side
    983,040.74x = 506,543,606,212.17
  5. Step 5: Solve for x
    x = 506,543,606,212.17/983,040.74
  6. Step 6: Final answer
    x = 515,282.41

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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.