Home / 1,435,499.70-2,153,249.55-424,542.98

Finding the Fourth Proportional to 1,435,499.70, 2,153,249.55 and 424,542.98

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Solution

The fourth proportional to 1,435,499.70, 2,153,249.55 and 424,542.98 is: 636,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,499.70 : 2,153,249.55 = 424,542.98 : x
  2. Step 2: Convert to fraction form
    1,435,499.70/2,153,249.55 = 424,542.98/x
  3. Step 3: Cross multiply
    1,435,499.70x = 2,153,249.55 × 424,542.98
  4. Step 4: Simplify right side
    1,435,499.70x = 914,146,988,454.80
  5. Step 5: Solve for x
    x = 914,146,988,454.80/1,435,499.70
  6. Step 6: Final answer
    x = 636,814.48

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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.