Home / 953,408.69-1,430,113.05-354,520.61

Finding the Fourth Proportional to 953,408.69, 1,430,113.05 and 354,520.61

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Solution

The fourth proportional to 953,408.69, 1,430,113.05 and 354,520.61 is: 531,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,408.69 : 1,430,113.05 = 354,520.61 : x
  2. Step 2: Convert to fraction form
    953,408.69/1,430,113.05 = 354,520.61/x
  3. Step 3: Cross multiply
    953,408.69x = 1,430,113.05 × 354,520.61
  4. Step 4: Simplify right side
    953,408.69x = 507,004,549,067.32
  5. Step 5: Solve for x
    x = 507,004,549,067.32/953,408.69
  6. Step 6: Final answer
    x = 531,780.92

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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.