Home / 915,665.07-1,263,463.80-610,197.48

Finding the Fourth Proportional to 915,665.07, 1,263,463.80 and 610,197.48

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Solution

The fourth proportional to 915,665.07, 1,263,463.80 and 610,197.48 is: 841,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,665.07 : 1,263,463.80 = 610,197.48 : x
  2. Step 2: Convert to fraction form
    915,665.07/1,263,463.80 = 610,197.48/x
  3. Step 3: Cross multiply
    915,665.07x = 1,263,463.80 × 610,197.48
  4. Step 4: Simplify right side
    915,665.07x = 770,962,426,831.22
  5. Step 5: Solve for x
    x = 770,962,426,831.22/915,665.07
  6. Step 6: Final answer
    x = 841,969.90

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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.