Home / 1,105,029-1,524,831.08-621,583.74

Finding the Fourth Proportional to 1,105,029, 1,524,831.08 and 621,583.74

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Solution

The fourth proportional to 1,105,029, 1,524,831.08 and 621,583.74 is: 857,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,029 : 1,524,831.08 = 621,583.74 : x
  2. Step 2: Convert to fraction form
    1,105,029/1,524,831.08 = 621,583.74/x
  3. Step 3: Cross multiply
    1,105,029x = 1,524,831.08 × 621,583.74
  4. Step 4: Simplify right side
    1,105,029x = 947,810,202,466.72
  5. Step 5: Solve for x
    x = 947,810,202,466.72/1,105,029
  6. Step 6: Final answer
    x = 857,724.28

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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.