Home / 1,314,200.84-1,971,411.89-415,622.61

Finding the Fourth Proportional to 1,314,200.84, 1,971,411.89 and 415,622.61

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Solution

The fourth proportional to 1,314,200.84, 1,971,411.89 and 415,622.61 is: 623,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,200.84 : 1,971,411.89 = 415,622.61 : x
  2. Step 2: Convert to fraction form
    1,314,200.84/1,971,411.89 = 415,622.61/x
  3. Step 3: Cross multiply
    1,314,200.84x = 1,971,411.89 × 415,622.61
  4. Step 4: Simplify right side
    1,314,200.84x = 819,363,353,028.72
  5. Step 5: Solve for x
    x = 819,363,353,028.72/1,314,200.84
  6. Step 6: Final answer
    x = 623,468.90

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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.