Home / 745,806.38-1,117,960.50-239,995.62

Finding the Fourth Proportional to 745,806.38, 1,117,960.50 and 239,995.62

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Solution

The fourth proportional to 745,806.38, 1,117,960.50 and 239,995.62 is: 359,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,806.38 : 1,117,960.50 = 239,995.62 : x
  2. Step 2: Convert to fraction form
    745,806.38/1,117,960.50 = 239,995.62/x
  3. Step 3: Cross multiply
    745,806.38x = 1,117,960.50 × 239,995.62
  4. Step 4: Simplify right side
    745,806.38x = 268,305,623,333.01
  5. Step 5: Solve for x
    x = 268,305,623,333.01/745,806.38
  6. Step 6: Final answer
    x = 359,752.38

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Double scale
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1.5x scale

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.