Home / 764,132.30-1,054,502.73-424,600.55

Finding the Fourth Proportional to 764,132.30, 1,054,502.73 and 424,600.55

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Solution

The fourth proportional to 764,132.30, 1,054,502.73 and 424,600.55 is: 585,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,132.30 : 1,054,502.73 = 424,600.55 : x
  2. Step 2: Convert to fraction form
    764,132.30/1,054,502.73 = 424,600.55/x
  3. Step 3: Cross multiply
    764,132.30x = 1,054,502.73 × 424,600.55
  4. Step 4: Simplify right side
    764,132.30x = 447,742,439,134.50
  5. Step 5: Solve for x
    x = 447,742,439,134.50/764,132.30
  6. Step 6: Final answer
    x = 585,948.85

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1.5x scale

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.