Home / 1,439,941-2,160,261.42-442,669

Finding the Fourth Proportional to 1,439,941, 2,160,261.42 and 442,669

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Solution

The fourth proportional to 1,439,941, 2,160,261.42 and 442,669 is: 664,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,941 : 2,160,261.42 = 442,669 : x
  2. Step 2: Convert to fraction form
    1,439,941/2,160,261.42 = 442,669/x
  3. Step 3: Cross multiply
    1,439,941x = 2,160,261.42 × 442,669
  4. Step 4: Simplify right side
    1,439,941x = 956,280,762,529.98
  5. Step 5: Solve for x
    x = 956,280,762,529.98/1,439,941
  6. Step 6: Final answer
    x = 664,111.07

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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.