Home / 1,108,042.92-1,529,007.39-624,726.90

Finding the Fourth Proportional to 1,108,042.92, 1,529,007.39 and 624,726.90

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Solution

The fourth proportional to 1,108,042.92, 1,529,007.39 and 624,726.90 is: 862,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,042.92 : 1,529,007.39 = 624,726.90 : x
  2. Step 2: Convert to fraction form
    1,108,042.92/1,529,007.39 = 624,726.90/x
  3. Step 3: Cross multiply
    1,108,042.92x = 1,529,007.39 × 624,726.90
  4. Step 4: Simplify right side
    1,108,042.92x = 955,212,046,831.79
  5. Step 5: Solve for x
    x = 955,212,046,831.79/1,108,042.92
  6. Step 6: Final answer
    x = 862,071.34

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Double scale
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1.5x scale

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.