Home / 623,314.36-860,162.14-351,382.44

Finding the Fourth Proportional to 623,314.36, 860,162.14 and 351,382.44

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Solution

The fourth proportional to 623,314.36, 860,162.14 and 351,382.44 is: 484,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,314.36 : 860,162.14 = 351,382.44 : x
  2. Step 2: Convert to fraction form
    623,314.36/860,162.14 = 351,382.44/x
  3. Step 3: Cross multiply
    623,314.36x = 860,162.14 × 351,382.44
  4. Step 4: Simplify right side
    623,314.36x = 302,245,872,027.53
  5. Step 5: Solve for x
    x = 302,245,872,027.53/623,314.36
  6. Step 6: Final answer
    x = 484,901.18

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.