Home / 661,532.22-912,923.56-495,666.50

Finding the Fourth Proportional to 661,532.22, 912,923.56 and 495,666.50

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Solution

The fourth proportional to 661,532.22, 912,923.56 and 495,666.50 is: 684,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,532.22 : 912,923.56 = 495,666.50 : x
  2. Step 2: Convert to fraction form
    661,532.22/912,923.56 = 495,666.50/x
  3. Step 3: Cross multiply
    661,532.22x = 912,923.56 × 495,666.50
  4. Step 4: Simplify right side
    661,532.22x = 452,505,625,752.74
  5. Step 5: Solve for x
    x = 452,505,625,752.74/661,532.22
  6. Step 6: Final answer
    x = 684,026.59

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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.