Home / 1,036,697.18-1,555,045.77-438,333.98

Finding the Fourth Proportional to 1,036,697.18, 1,555,045.77 and 438,333.98

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Solution

The fourth proportional to 1,036,697.18, 1,555,045.77 and 438,333.98 is: 657,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,697.18 : 1,555,045.77 = 438,333.98 : x
  2. Step 2: Convert to fraction form
    1,036,697.18/1,555,045.77 = 438,333.98/x
  3. Step 3: Cross multiply
    1,036,697.18x = 1,555,045.77 × 438,333.98
  4. Step 4: Simplify right side
    1,036,697.18x = 681,629,401,446.27
  5. Step 5: Solve for x
    x = 681,629,401,446.27/1,036,697.18
  6. Step 6: Final answer
    x = 657,500.97

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Double scale
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Similar ratio
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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.