Home / 1,014,120.18-1,521,361.26-340,420.86

Finding the Fourth Proportional to 1,014,120.18, 1,521,361.26 and 340,420.86

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Solution

The fourth proportional to 1,014,120.18, 1,521,361.26 and 340,420.86 is: 510,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,120.18 : 1,521,361.26 = 340,420.86 : x
  2. Step 2: Convert to fraction form
    1,014,120.18/1,521,361.26 = 340,420.86/x
  3. Step 3: Cross multiply
    1,014,120.18x = 1,521,361.26 × 340,420.86
  4. Step 4: Simplify right side
    1,014,120.18x = 517,903,108,499.88
  5. Step 5: Solve for x
    x = 517,903,108,499.88/1,014,120.18
  6. Step 6: Final answer
    x = 510,692.04

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Double scale
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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.