Home / 876,166.20-1,314,152.10-245,143.80

Finding the Fourth Proportional to 876,166.20, 1,314,152.10 and 245,143.80

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Solution

The fourth proportional to 876,166.20, 1,314,152.10 and 245,143.80 is: 367,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,166.20 : 1,314,152.10 = 245,143.80 : x
  2. Step 2: Convert to fraction form
    876,166.20/1,314,152.10 = 245,143.80/x
  3. Step 3: Cross multiply
    876,166.20x = 1,314,152.10 × 245,143.80
  4. Step 4: Simplify right side
    876,166.20x = 322,156,239,571.98
  5. Step 5: Solve for x
    x = 322,156,239,571.98/876,166.20
  6. Step 6: Final answer
    x = 367,688.50

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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.