Home / 864,137.80-1,296,206.70-801,152.20

Finding the Fourth Proportional to 864,137.80, 1,296,206.70 and 801,152.20

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Solution

The fourth proportional to 864,137.80, 1,296,206.70 and 801,152.20 is: 1,201,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,137.80 : 1,296,206.70 = 801,152.20 : x
  2. Step 2: Convert to fraction form
    864,137.80/1,296,206.70 = 801,152.20/x
  3. Step 3: Cross multiply
    864,137.80x = 1,296,206.70 × 801,152.20
  4. Step 4: Simplify right side
    864,137.80x = 1,038,458,849,359.74
  5. Step 5: Solve for x
    x = 1,038,458,849,359.74/864,137.80
  6. Step 6: Final answer
    x = 1,201,728.30

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Double scale
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Similar ratio
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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.