Home / 651,285.60-977,067.72-201,996.60

Finding the Fourth Proportional to 651,285.60, 977,067.72 and 201,996.60

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Solution

The fourth proportional to 651,285.60, 977,067.72 and 201,996.60 is: 303,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,285.60 : 977,067.72 = 201,996.60 : x
  2. Step 2: Convert to fraction form
    651,285.60/977,067.72 = 201,996.60/x
  3. Step 3: Cross multiply
    651,285.60x = 977,067.72 × 201,996.60
  4. Step 4: Simplify right side
    651,285.60x = 197,364,357,409.75
  5. Step 5: Solve for x
    x = 197,364,357,409.75/651,285.60
  6. Step 6: Final answer
    x = 303,038.11

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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.