Home / 650,260.40-977,464.20-612,935.60

Finding the Fourth Proportional to 650,260.40, 977,464.20 and 612,935.60

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Solution

The fourth proportional to 650,260.40, 977,464.20 and 612,935.60 is: 921,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,260.40 : 977,464.20 = 612,935.60 : x
  2. Step 2: Convert to fraction form
    650,260.40/977,464.20 = 612,935.60/x
  3. Step 3: Cross multiply
    650,260.40x = 977,464.20 × 612,935.60
  4. Step 4: Simplify right side
    650,260.40x = 599,122,605,905.52
  5. Step 5: Solve for x
    x = 599,122,605,905.52/650,260.40
  6. Step 6: Final answer
    x = 921,357.98

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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.