Home / 764,967.19-1,055,690.42-442,614.93

Finding the Fourth Proportional to 764,967.19, 1,055,690.42 and 442,614.93

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Solution

The fourth proportional to 764,967.19, 1,055,690.42 and 442,614.93 is: 610,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,967.19 : 1,055,690.42 = 442,614.93 : x
  2. Step 2: Convert to fraction form
    764,967.19/1,055,690.42 = 442,614.93/x
  3. Step 3: Cross multiply
    764,967.19x = 1,055,690.42 × 442,614.93
  4. Step 4: Simplify right side
    764,967.19x = 467,264,341,116.32
  5. Step 5: Solve for x
    x = 467,264,341,116.32/764,967.19
  6. Step 6: Final answer
    x = 610,829.26

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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.