Home / 619,265.16-928,985.40-198,442.80

Finding the Fourth Proportional to 619,265.16, 928,985.40 and 198,442.80

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Solution

The fourth proportional to 619,265.16, 928,985.40 and 198,442.80 is: 297,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,265.16 : 928,985.40 = 198,442.80 : x
  2. Step 2: Convert to fraction form
    619,265.16/928,985.40 = 198,442.80/x
  3. Step 3: Cross multiply
    619,265.16x = 928,985.40 × 198,442.80
  4. Step 4: Simplify right side
    619,265.16x = 184,350,463,935.12
  5. Step 5: Solve for x
    x = 184,350,463,935.12/619,265.16
  6. Step 6: Final answer
    x = 297,692.29

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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.