Home / 930,617.87-1,284,224.63-517,153.25

Finding the Fourth Proportional to 930,617.87, 1,284,224.63 and 517,153.25

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Solution

The fourth proportional to 930,617.87, 1,284,224.63 and 517,153.25 is: 713,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,617.87 : 1,284,224.63 = 517,153.25 : x
  2. Step 2: Convert to fraction form
    930,617.87/1,284,224.63 = 517,153.25/x
  3. Step 3: Cross multiply
    930,617.87x = 1,284,224.63 × 517,153.25
  4. Step 4: Simplify right side
    930,617.87x = 664,140,941,759.34
  5. Step 5: Solve for x
    x = 664,140,941,759.34/930,617.87
  6. Step 6: Final answer
    x = 713,655.91

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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.