Home / 1,096,841.40-1,646,234.10-646,999.80

Finding the Fourth Proportional to 1,096,841.40, 1,646,234.10 and 646,999.80

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Solution

The fourth proportional to 1,096,841.40, 1,646,234.10 and 646,999.80 is: 971,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,841.40 : 1,646,234.10 = 646,999.80 : x
  2. Step 2: Convert to fraction form
    1,096,841.40/1,646,234.10 = 646,999.80/x
  3. Step 3: Cross multiply
    1,096,841.40x = 1,646,234.10 × 646,999.80
  4. Step 4: Simplify right side
    1,096,841.40x = 1,065,113,133,453.18
  5. Step 5: Solve for x
    x = 1,065,113,133,453.18/1,096,841.40
  6. Step 6: Final answer
    x = 971,073.06

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Double scale
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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.