Home / 1,435,467.21-2,153,200.83-424,510.44

Finding the Fourth Proportional to 1,435,467.21, 2,153,200.83 and 424,510.44

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Solution

The fourth proportional to 1,435,467.21, 2,153,200.83 and 424,510.44 is: 636,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,467.21 : 2,153,200.83 = 424,510.44 : x
  2. Step 2: Convert to fraction form
    1,435,467.21/2,153,200.83 = 424,510.44/x
  3. Step 3: Cross multiply
    1,435,467.21x = 2,153,200.83 × 424,510.44
  4. Step 4: Simplify right side
    1,435,467.21x = 914,056,231,751.67
  5. Step 5: Solve for x
    x = 914,056,231,751.67/1,435,467.21
  6. Step 6: Final answer
    x = 636,765.66

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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.