Home / 651,643.20-977,464.80-593,906.40

Finding the Fourth Proportional to 651,643.20, 977,464.80 and 593,906.40

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Solution

The fourth proportional to 651,643.20, 977,464.80 and 593,906.40 is: 890,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,643.20 : 977,464.80 = 593,906.40 : x
  2. Step 2: Convert to fraction form
    651,643.20/977,464.80 = 593,906.40/x
  3. Step 3: Cross multiply
    651,643.20x = 977,464.80 × 593,906.40
  4. Step 4: Simplify right side
    651,643.20x = 580,522,600,494.72
  5. Step 5: Solve for x
    x = 580,522,600,494.72/651,643.20
  6. Step 6: Final answer
    x = 890,859.60

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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.