Home / 435,926.70-653,890.05-383,438.70

Finding the Fourth Proportional to 435,926.70, 653,890.05 and 383,438.70

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Solution

The fourth proportional to 435,926.70, 653,890.05 and 383,438.70 is: 575,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,926.70 : 653,890.05 = 383,438.70 : x
  2. Step 2: Convert to fraction form
    435,926.70/653,890.05 = 383,438.70/x
  3. Step 3: Cross multiply
    435,926.70x = 653,890.05 × 383,438.70
  4. Step 4: Simplify right side
    435,926.70x = 250,726,750,714.94
  5. Step 5: Solve for x
    x = 250,726,750,714.94/435,926.70
  6. Step 6: Final answer
    x = 575,158.05

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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.