Home / 566,961.84-782,407.17-312,318.36

Finding the Fourth Proportional to 566,961.84, 782,407.17 and 312,318.36

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Solution

The fourth proportional to 566,961.84, 782,407.17 and 312,318.36 is: 430,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,961.84 : 782,407.17 = 312,318.36 : x
  2. Step 2: Convert to fraction form
    566,961.84/782,407.17 = 312,318.36/x
  3. Step 3: Cross multiply
    566,961.84x = 782,407.17 × 312,318.36
  4. Step 4: Simplify right side
    566,961.84x = 244,360,124,186.64
  5. Step 5: Solve for x
    x = 244,360,124,186.64/566,961.84
  6. Step 6: Final answer
    x = 430,999.24

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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.