Home / 930,650.12-1,284,328.34-517,204.32

Finding the Fourth Proportional to 930,650.12, 1,284,328.34 and 517,204.32

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Solution

The fourth proportional to 930,650.12, 1,284,328.34 and 517,204.32 is: 713,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,650.12 : 1,284,328.34 = 517,204.32 : x
  2. Step 2: Convert to fraction form
    930,650.12/1,284,328.34 = 517,204.32/x
  3. Step 3: Cross multiply
    930,650.12x = 1,284,328.34 × 517,204.32
  4. Step 4: Simplify right side
    930,650.12x = 664,260,160,283.69
  5. Step 5: Solve for x
    x = 664,260,160,283.69/930,650.12
  6. Step 6: Final answer
    x = 713,759.28

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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.