Home / 1,411,201.30-2,116,801.95-664,705.30

Finding the Fourth Proportional to 1,411,201.30, 2,116,801.95 and 664,705.30

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Solution

The fourth proportional to 1,411,201.30, 2,116,801.95 and 664,705.30 is: 997,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,201.30 : 2,116,801.95 = 664,705.30 : x
  2. Step 2: Convert to fraction form
    1,411,201.30/2,116,801.95 = 664,705.30/x
  3. Step 3: Cross multiply
    1,411,201.30x = 2,116,801.95 × 664,705.30
  4. Step 4: Simplify right side
    1,411,201.30x = 1,407,049,475,215.34
  5. Step 5: Solve for x
    x = 1,407,049,475,215.34/1,411,201.30
  6. Step 6: Final answer
    x = 997,057.95

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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.