Home / 975,082.56-1,345,738.56-545,386.56

Finding the Fourth Proportional to 975,082.56, 1,345,738.56 and 545,386.56

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Solution

The fourth proportional to 975,082.56, 1,345,738.56 and 545,386.56 is: 752,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,082.56 : 1,345,738.56 = 545,386.56 : x
  2. Step 2: Convert to fraction form
    975,082.56/1,345,738.56 = 545,386.56/x
  3. Step 3: Cross multiply
    975,082.56x = 1,345,738.56 × 545,386.56
  4. Step 4: Simplify right side
    975,082.56x = 733,947,723,897.75
  5. Step 5: Solve for x
    x = 733,947,723,897.75/975,082.56
  6. Step 6: Final answer
    x = 752,703.16

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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.