Home / 745,049.04-1,028,189.94-458,734.32

Finding the Fourth Proportional to 745,049.04, 1,028,189.94 and 458,734.32

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Solution

The fourth proportional to 745,049.04, 1,028,189.94 and 458,734.32 is: 633,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,049.04 : 1,028,189.94 = 458,734.32 : x
  2. Step 2: Convert to fraction form
    745,049.04/1,028,189.94 = 458,734.32/x
  3. Step 3: Cross multiply
    745,049.04x = 1,028,189.94 × 458,734.32
  4. Step 4: Simplify right side
    745,049.04x = 471,666,012,956.74
  5. Step 5: Solve for x
    x = 471,666,012,956.74/745,049.04
  6. Step 6: Final answer
    x = 633,067.07

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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.