Home / 3,142,415.03-4,712,762.33-867,395.57

Finding the Fourth Proportional to 3,142,415.03, 4,712,762.33 and 867,395.57

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Solution

The fourth proportional to 3,142,415.03, 4,712,762.33 and 867,395.57 is: 1,300,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,415.03 : 4,712,762.33 = 867,395.57 : x
  2. Step 2: Convert to fraction form
    3,142,415.03/4,712,762.33 = 867,395.57/x
  3. Step 3: Cross multiply
    3,142,415.03x = 4,712,762.33 × 867,395.57
  4. Step 4: Simplify right side
    3,142,415.03x = 4,087,829,192,297.58
  5. Step 5: Solve for x
    x = 4,087,829,192,297.58/3,142,415.03
  6. Step 6: Final answer
    x = 1,300,855.92

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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.