Home / 656,285.10-984,865.05-301,116.30

Finding the Fourth Proportional to 656,285.10, 984,865.05 and 301,116.30

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Solution

The fourth proportional to 656,285.10, 984,865.05 and 301,116.30 is: 451,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,285.10 : 984,865.05 = 301,116.30 : x
  2. Step 2: Convert to fraction form
    656,285.10/984,865.05 = 301,116.30/x
  3. Step 3: Cross multiply
    656,285.10x = 984,865.05 × 301,116.30
  4. Step 4: Simplify right side
    656,285.10x = 296,558,919,855.32
  5. Step 5: Solve for x
    x = 296,558,919,855.32/656,285.10
  6. Step 6: Final answer
    x = 451,875.14

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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.