Home / 778,990.39-1,168,368.63-246,442.22

Finding the Fourth Proportional to 778,990.39, 1,168,368.63 and 246,442.22

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Solution

The fourth proportional to 778,990.39, 1,168,368.63 and 246,442.22 is: 369,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,990.39 : 1,168,368.63 = 246,442.22 : x
  2. Step 2: Convert to fraction form
    778,990.39/1,168,368.63 = 246,442.22/x
  3. Step 3: Cross multiply
    778,990.39x = 1,168,368.63 × 246,442.22
  4. Step 4: Simplify right side
    778,990.39x = 287,935,358,955.56
  5. Step 5: Solve for x
    x = 287,935,358,955.56/778,990.39
  6. Step 6: Final answer
    x = 369,626.33

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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.