Home / 1,255,728.54-1,883,550.69-545,756.52

Finding the Fourth Proportional to 1,255,728.54, 1,883,550.69 and 545,756.52

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Solution

The fourth proportional to 1,255,728.54, 1,883,550.69 and 545,756.52 is: 818,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,728.54 : 1,883,550.69 = 545,756.52 : x
  2. Step 2: Convert to fraction form
    1,255,728.54/1,883,550.69 = 545,756.52/x
  3. Step 3: Cross multiply
    1,255,728.54x = 1,883,550.69 × 545,756.52
  4. Step 4: Simplify right side
    1,255,728.54x = 1,027,960,069,818.00
  5. Step 5: Solve for x
    x = 1,027,960,069,818.00/1,255,728.54
  6. Step 6: Final answer
    x = 818,616.47

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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.