Home / 745,302.54-1,117,954.19-239,863.45

Finding the Fourth Proportional to 745,302.54, 1,117,954.19 and 239,863.45

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Solution

The fourth proportional to 745,302.54, 1,117,954.19 and 239,863.45 is: 359,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,302.54 : 1,117,954.19 = 239,863.45 : x
  2. Step 2: Convert to fraction form
    745,302.54/1,117,954.19 = 239,863.45/x
  3. Step 3: Cross multiply
    745,302.54x = 1,117,954.19 × 239,863.45
  4. Step 4: Simplify right side
    745,302.54x = 268,156,348,355.70
  5. Step 5: Solve for x
    x = 268,156,348,355.70/745,302.54
  6. Step 6: Final answer
    x = 359,795.30

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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.