Home / 764,973.04-1,055,700.12-425,434

Finding the Fourth Proportional to 764,973.04, 1,055,700.12 and 425,434

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Solution

The fourth proportional to 764,973.04, 1,055,700.12 and 425,434 is: 587,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,973.04 : 1,055,700.12 = 425,434 : x
  2. Step 2: Convert to fraction form
    764,973.04/1,055,700.12 = 425,434/x
  3. Step 3: Cross multiply
    764,973.04x = 1,055,700.12 × 425,434
  4. Step 4: Simplify right side
    764,973.04x = 449,130,724,852.08
  5. Step 5: Solve for x
    x = 449,130,724,852.08/764,973.04
  6. Step 6: Final answer
    x = 587,119.68

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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.