Home / 745,007.40-1,117,511.10-246,371.40

Finding the Fourth Proportional to 745,007.40, 1,117,511.10 and 246,371.40

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Solution

The fourth proportional to 745,007.40, 1,117,511.10 and 246,371.40 is: 369,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,007.40 : 1,117,511.10 = 246,371.40 : x
  2. Step 2: Convert to fraction form
    745,007.40/1,117,511.10 = 246,371.40/x
  3. Step 3: Cross multiply
    745,007.40x = 1,117,511.10 × 246,371.40
  4. Step 4: Simplify right side
    745,007.40x = 275,322,774,222.54
  5. Step 5: Solve for x
    x = 275,322,774,222.54/745,007.40
  6. Step 6: Final answer
    x = 369,557.10

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Double scale
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Similar ratio
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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.