Home / 650,261.40-977,465.70-612,936.60

Finding the Fourth Proportional to 650,261.40, 977,465.70 and 612,936.60

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Solution

The fourth proportional to 650,261.40, 977,465.70 and 612,936.60 is: 921,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,261.40 : 977,465.70 = 612,936.60 : x
  2. Step 2: Convert to fraction form
    650,261.40/977,465.70 = 612,936.60/x
  3. Step 3: Cross multiply
    650,261.40x = 977,465.70 × 612,936.60
  4. Step 4: Simplify right side
    650,261.40x = 599,124,502,774.62
  5. Step 5: Solve for x
    x = 599,124,502,774.62/650,261.40
  6. Step 6: Final answer
    x = 921,359.48

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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.