Home / 746,988.25-1,030,847.07-407,463.79

Finding the Fourth Proportional to 746,988.25, 1,030,847.07 and 407,463.79

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Solution

The fourth proportional to 746,988.25, 1,030,847.07 and 407,463.79 is: 562,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,988.25 : 1,030,847.07 = 407,463.79 : x
  2. Step 2: Convert to fraction form
    746,988.25/1,030,847.07 = 407,463.79/x
  3. Step 3: Cross multiply
    746,988.25x = 1,030,847.07 × 407,463.79
  4. Step 4: Simplify right side
    746,988.25x = 420,032,854,052.60
  5. Step 5: Solve for x
    x = 420,032,854,052.60/746,988.25
  6. Step 6: Final answer
    x = 562,301.82

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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.