Home / 692,564.90-1,038,944.55-219,200.90

Finding the Fourth Proportional to 692,564.90, 1,038,944.55 and 219,200.90

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Solution

The fourth proportional to 692,564.90, 1,038,944.55 and 219,200.90 is: 328,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,564.90 : 1,038,944.55 = 219,200.90 : x
  2. Step 2: Convert to fraction form
    692,564.90/1,038,944.55 = 219,200.90/x
  3. Step 3: Cross multiply
    692,564.90x = 1,038,944.55 × 219,200.90
  4. Step 4: Simplify right side
    692,564.90x = 227,737,580,410.10
  5. Step 5: Solve for x
    x = 227,737,580,410.10/692,564.90
  6. Step 6: Final answer
    x = 328,832.11

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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.