Home / 651,439.80-977,127.30-335,928.60

Finding the Fourth Proportional to 651,439.80, 977,127.30 and 335,928.60

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Solution

The fourth proportional to 651,439.80, 977,127.30 and 335,928.60 is: 503,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,439.80 : 977,127.30 = 335,928.60 : x
  2. Step 2: Convert to fraction form
    651,439.80/977,127.30 = 335,928.60/x
  3. Step 3: Cross multiply
    651,439.80x = 977,127.30 × 335,928.60
  4. Step 4: Simplify right side
    651,439.80x = 328,245,005,910.78
  5. Step 5: Solve for x
    x = 328,245,005,910.78/651,439.80
  6. Step 6: Final answer
    x = 503,876.19

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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.