Home / 745,580.70-1,117,265.13-547,621.02

Finding the Fourth Proportional to 745,580.70, 1,117,265.13 and 547,621.02

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Solution

The fourth proportional to 745,580.70, 1,117,265.13 and 547,621.02 is: 820,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,580.70 : 1,117,265.13 = 547,621.02 : x
  2. Step 2: Convert to fraction form
    745,580.70/1,117,265.13 = 547,621.02/x
  3. Step 3: Cross multiply
    745,580.70x = 1,117,265.13 × 547,621.02
  4. Step 4: Simplify right side
    745,580.70x = 611,837,870,101.03
  5. Step 5: Solve for x
    x = 611,837,870,101.03/745,580.70
  6. Step 6: Final answer
    x = 820,619.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.