Home / 1,069,964.22-1,605,156.12-396,051.21

Finding the Fourth Proportional to 1,069,964.22, 1,605,156.12 and 396,051.21

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Solution

The fourth proportional to 1,069,964.22, 1,605,156.12 and 396,051.21 is: 594,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,964.22 : 1,605,156.12 = 396,051.21 : x
  2. Step 2: Convert to fraction form
    1,069,964.22/1,605,156.12 = 396,051.21/x
  3. Step 3: Cross multiply
    1,069,964.22x = 1,605,156.12 × 396,051.21
  4. Step 4: Simplify right side
    1,069,964.22x = 635,724,023,564.91
  5. Step 5: Solve for x
    x = 635,724,023,564.91/1,069,964.22
  6. Step 6: Final answer
    x = 594,154.47

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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.