Home / 745,269.13-1,027,756.78-500,806.27

Finding the Fourth Proportional to 745,269.13, 1,027,756.78 and 500,806.27

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Solution

The fourth proportional to 745,269.13, 1,027,756.78 and 500,806.27 is: 690,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,269.13 : 1,027,756.78 = 500,806.27 : x
  2. Step 2: Convert to fraction form
    745,269.13/1,027,756.78 = 500,806.27/x
  3. Step 3: Cross multiply
    745,269.13x = 1,027,756.78 × 500,806.27
  4. Step 4: Simplify right side
    745,269.13x = 514,707,039,459.01
  5. Step 5: Solve for x
    x = 514,707,039,459.01/745,269.13
  6. Step 6: Final answer
    x = 690,632.44

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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.