Home / 566,890.16-782,308.40-312,241.36

Finding the Fourth Proportional to 566,890.16, 782,308.40 and 312,241.36

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Solution

The fourth proportional to 566,890.16, 782,308.40 and 312,241.36 is: 430,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,890.16 : 782,308.40 = 312,241.36 : x
  2. Step 2: Convert to fraction form
    566,890.16/782,308.40 = 312,241.36/x
  3. Step 3: Cross multiply
    566,890.16x = 782,308.40 × 312,241.36
  4. Step 4: Simplify right side
    566,890.16x = 244,269,038,755.42
  5. Step 5: Solve for x
    x = 244,269,038,755.42/566,890.16
  6. Step 6: Final answer
    x = 430,893.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.