Home / 725,527.32-1,088,289.54-193,048.32

Finding the Fourth Proportional to 725,527.32, 1,088,289.54 and 193,048.32

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Solution

The fourth proportional to 725,527.32, 1,088,289.54 and 193,048.32 is: 289,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,527.32 : 1,088,289.54 = 193,048.32 : x
  2. Step 2: Convert to fraction form
    725,527.32/1,088,289.54 = 193,048.32/x
  3. Step 3: Cross multiply
    725,527.32x = 1,088,289.54 × 193,048.32
  4. Step 4: Simplify right side
    725,527.32x = 210,092,467,370.57
  5. Step 5: Solve for x
    x = 210,092,467,370.57/725,527.32
  6. Step 6: Final answer
    x = 289,572.10

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.