Home / 651,644.40-977,515.20-230,865.60

Finding the Fourth Proportional to 651,644.40, 977,515.20 and 230,865.60

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Solution

The fourth proportional to 651,644.40, 977,515.20 and 230,865.60 is: 346,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,644.40 : 977,515.20 = 230,865.60 : x
  2. Step 2: Convert to fraction form
    651,644.40/977,515.20 = 230,865.60/x
  3. Step 3: Cross multiply
    651,644.40x = 977,515.20 × 230,865.60
  4. Step 4: Simplify right side
    651,644.40x = 225,674,633,157.12
  5. Step 5: Solve for x
    x = 225,674,633,157.12/651,644.40
  6. Step 6: Final answer
    x = 346,315.62

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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.