Home / 764,565.12-1,054,975.68-425,024.64

Finding the Fourth Proportional to 764,565.12, 1,054,975.68 and 425,024.64

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Solution

The fourth proportional to 764,565.12, 1,054,975.68 and 425,024.64 is: 586,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,565.12 : 1,054,975.68 = 425,024.64 : x
  2. Step 2: Convert to fraction form
    764,565.12/1,054,975.68 = 425,024.64/x
  3. Step 3: Cross multiply
    764,565.12x = 1,054,975.68 × 425,024.64
  4. Step 4: Simplify right side
    764,565.12x = 448,390,658,600.76
  5. Step 5: Solve for x
    x = 448,390,658,600.76/764,565.12
  6. Step 6: Final answer
    x = 586,464.97

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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.