Home / 767,747.99-1,059,831.95-495,948.39

Finding the Fourth Proportional to 767,747.99, 1,059,831.95 and 495,948.39

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Solution

The fourth proportional to 767,747.99, 1,059,831.95 and 495,948.39 is: 684,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,747.99 : 1,059,831.95 = 495,948.39 : x
  2. Step 2: Convert to fraction form
    767,747.99/1,059,831.95 = 495,948.39/x
  3. Step 3: Cross multiply
    767,747.99x = 1,059,831.95 × 495,948.39
  4. Step 4: Simplify right side
    767,747.99x = 525,621,942,818.95
  5. Step 5: Solve for x
    x = 525,621,942,818.95/767,747.99
  6. Step 6: Final answer
    x = 684,628.23

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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.