Home / 1,361,935.01-1,879,331.23-838,562.50

Finding the Fourth Proportional to 1,361,935.01, 1,879,331.23 and 838,562.50

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Solution

The fourth proportional to 1,361,935.01, 1,879,331.23 and 838,562.50 is: 1,157,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,935.01 : 1,879,331.23 = 838,562.50 : x
  2. Step 2: Convert to fraction form
    1,361,935.01/1,879,331.23 = 838,562.50/x
  3. Step 3: Cross multiply
    1,361,935.01x = 1,879,331.23 × 838,562.50
  4. Step 4: Simplify right side
    1,361,935.01x = 1,575,936,693,261.70
  5. Step 5: Solve for x
    x = 1,575,936,693,261.70/1,361,935.01
  6. Step 6: Final answer
    x = 1,157,130.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.