Home / 753,415.20-1,130,122.80-501,035.40

Finding the Fourth Proportional to 753,415.20, 1,130,122.80 and 501,035.40

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Solution

The fourth proportional to 753,415.20, 1,130,122.80 and 501,035.40 is: 751,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,415.20 : 1,130,122.80 = 501,035.40 : x
  2. Step 2: Convert to fraction form
    753,415.20/1,130,122.80 = 501,035.40/x
  3. Step 3: Cross multiply
    753,415.20x = 1,130,122.80 × 501,035.40
  4. Step 4: Simplify right side
    753,415.20x = 566,231,529,147.12
  5. Step 5: Solve for x
    x = 566,231,529,147.12/753,415.20
  6. Step 6: Final answer
    x = 751,553.10

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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.