Home / 764,104.50-1,054,498.86-424,572.75

Finding the Fourth Proportional to 764,104.50, 1,054,498.86 and 424,572.75

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Solution

The fourth proportional to 764,104.50, 1,054,498.86 and 424,572.75 is: 585,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,104.50 : 1,054,498.86 = 424,572.75 : x
  2. Step 2: Convert to fraction form
    764,104.50/1,054,498.86 = 424,572.75/x
  3. Step 3: Cross multiply
    764,104.50x = 1,054,498.86 × 424,572.75
  4. Step 4: Simplify right side
    764,104.50x = 447,711,480,862.07
  5. Step 5: Solve for x
    x = 447,711,480,862.07/764,104.50
  6. Step 6: Final answer
    x = 585,929.65

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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.