Home / 764,526.86-1,055,110.83-425,026.70

Finding the Fourth Proportional to 764,526.86, 1,055,110.83 and 425,026.70

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Solution

The fourth proportional to 764,526.86, 1,055,110.83 and 425,026.70 is: 586,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,526.86 : 1,055,110.83 = 425,026.70 : x
  2. Step 2: Convert to fraction form
    764,526.86/1,055,110.83 = 425,026.70/x
  3. Step 3: Cross multiply
    764,526.86x = 1,055,110.83 × 425,026.70
  4. Step 4: Simplify right side
    764,526.86x = 448,450,274,209.16
  5. Step 5: Solve for x
    x = 448,450,274,209.16/764,526.86
  6. Step 6: Final answer
    x = 586,572.29

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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.