Home / 975,255.24-1,345,963.86-545,644.20

Finding the Fourth Proportional to 975,255.24, 1,345,963.86 and 545,644.20

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Solution

The fourth proportional to 975,255.24, 1,345,963.86 and 545,644.20 is: 753,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,255.24 : 1,345,963.86 = 545,644.20 : x
  2. Step 2: Convert to fraction form
    975,255.24/1,345,963.86 = 545,644.20/x
  3. Step 3: Cross multiply
    975,255.24x = 1,345,963.86 × 545,644.20
  4. Step 4: Simplify right side
    975,255.24x = 734,417,373,618.61
  5. Step 5: Solve for x
    x = 734,417,373,618.61/975,255.24
  6. Step 6: Final answer
    x = 753,051.45

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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.