Home / 1,041,161.40-1,560,705.30-479,215.80

Finding the Fourth Proportional to 1,041,161.40, 1,560,705.30 and 479,215.80

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Solution

The fourth proportional to 1,041,161.40, 1,560,705.30 and 479,215.80 is: 718,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,161.40 : 1,560,705.30 = 479,215.80 : x
  2. Step 2: Convert to fraction form
    1,041,161.40/1,560,705.30 = 479,215.80/x
  3. Step 3: Cross multiply
    1,041,161.40x = 1,560,705.30 × 479,215.80
  4. Step 4: Simplify right side
    1,041,161.40x = 747,914,638,903.74
  5. Step 5: Solve for x
    x = 747,914,638,903.74/1,041,161.40
  6. Step 6: Final answer
    x = 718,346.49

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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.