Home / 763,912.98-1,053,831.33-508,937.94

Finding the Fourth Proportional to 763,912.98, 1,053,831.33 and 508,937.94

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Solution

The fourth proportional to 763,912.98, 1,053,831.33 and 508,937.94 is: 702,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,912.98 : 1,053,831.33 = 508,937.94 : x
  2. Step 2: Convert to fraction form
    763,912.98/1,053,831.33 = 508,937.94/x
  3. Step 3: Cross multiply
    763,912.98x = 1,053,831.33 × 508,937.94
  4. Step 4: Simplify right side
    763,912.98x = 536,334,746,197.66
  5. Step 5: Solve for x
    x = 536,334,746,197.66/763,912.98
  6. Step 6: Final answer
    x = 702,088.80

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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.