Home / 975,342.47-1,345,974.57-545,629.77

Finding the Fourth Proportional to 975,342.47, 1,345,974.57 and 545,629.77

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Solution

The fourth proportional to 975,342.47, 1,345,974.57 and 545,629.77 is: 752,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,342.47 : 1,345,974.57 = 545,629.77 : x
  2. Step 2: Convert to fraction form
    975,342.47/1,345,974.57 = 545,629.77/x
  3. Step 3: Cross multiply
    975,342.47x = 1,345,974.57 × 545,629.77
  4. Step 4: Simplify right side
    975,342.47x = 734,403,795,054.95
  5. Step 5: Solve for x
    x = 734,403,795,054.95/975,342.47
  6. Step 6: Final answer
    x = 752,970.18

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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.