Home / 993,050.20-1,488,408.90-459,444.16

Finding the Fourth Proportional to 993,050.20, 1,488,408.90 and 459,444.16

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Solution

The fourth proportional to 993,050.20, 1,488,408.90 and 459,444.16 is: 688,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,050.20 : 1,488,408.90 = 459,444.16 : x
  2. Step 2: Convert to fraction form
    993,050.20/1,488,408.90 = 459,444.16/x
  3. Step 3: Cross multiply
    993,050.20x = 1,488,408.90 × 459,444.16
  4. Step 4: Simplify right side
    993,050.20x = 683,840,776,797.02
  5. Step 5: Solve for x
    x = 683,840,776,797.02/993,050.20
  6. Step 6: Final answer
    x = 688,626.59

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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.