Home / 745,087.68-1,027,022.40-503,294.40

Finding the Fourth Proportional to 745,087.68, 1,027,022.40 and 503,294.40

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Solution

The fourth proportional to 745,087.68, 1,027,022.40 and 503,294.40 is: 693,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,087.68 : 1,027,022.40 = 503,294.40 : x
  2. Step 2: Convert to fraction form
    745,087.68/1,027,022.40 = 503,294.40/x
  3. Step 3: Cross multiply
    745,087.68x = 1,027,022.40 × 503,294.40
  4. Step 4: Simplify right side
    745,087.68x = 516,894,622,594.56
  5. Step 5: Solve for x
    x = 516,894,622,594.56/745,087.68
  6. Step 6: Final answer
    x = 693,736.64

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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.