Home / 1,229,245.02-1,696,234.50-685,330.02

Finding the Fourth Proportional to 1,229,245.02, 1,696,234.50 and 685,330.02

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Solution

The fourth proportional to 1,229,245.02, 1,696,234.50 and 685,330.02 is: 945,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,245.02 : 1,696,234.50 = 685,330.02 : x
  2. Step 2: Convert to fraction form
    1,229,245.02/1,696,234.50 = 685,330.02/x
  3. Step 3: Cross multiply
    1,229,245.02x = 1,696,234.50 × 685,330.02
  4. Step 4: Simplify right side
    1,229,245.02x = 1,162,480,423,809.69
  5. Step 5: Solve for x
    x = 1,162,480,423,809.69/1,229,245.02
  6. Step 6: Final answer
    x = 945,686.50

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Double scale
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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.