Home / 764,849.90-1,055,715.36-510,200.48

Finding the Fourth Proportional to 764,849.90, 1,055,715.36 and 510,200.48

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Solution

The fourth proportional to 764,849.90, 1,055,715.36 and 510,200.48 is: 704,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,849.90 : 1,055,715.36 = 510,200.48 : x
  2. Step 2: Convert to fraction form
    764,849.90/1,055,715.36 = 510,200.48/x
  3. Step 3: Cross multiply
    764,849.90x = 1,055,715.36 × 510,200.48
  4. Step 4: Simplify right side
    764,849.90x = 538,626,483,415.37
  5. Step 5: Solve for x
    x = 538,626,483,415.37/764,849.90
  6. Step 6: Final answer
    x = 704,225.08

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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.