Home / 1,069,623.96-1,605,066.63-396,178.32

Finding the Fourth Proportional to 1,069,623.96, 1,605,066.63 and 396,178.32

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Solution

The fourth proportional to 1,069,623.96, 1,605,066.63 and 396,178.32 is: 594,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,623.96 : 1,605,066.63 = 396,178.32 : x
  2. Step 2: Convert to fraction form
    1,069,623.96/1,605,066.63 = 396,178.32/x
  3. Step 3: Cross multiply
    1,069,623.96x = 1,605,066.63 × 396,178.32
  4. Step 4: Simplify right side
    1,069,623.96x = 635,892,600,961.46
  5. Step 5: Solve for x
    x = 635,892,600,961.46/1,069,623.96
  6. Step 6: Final answer
    x = 594,501.08

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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.