Home / 748,490.53-1,122,829.14-293,022.89

Finding the Fourth Proportional to 748,490.53, 1,122,829.14 and 293,022.89

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Solution

The fourth proportional to 748,490.53, 1,122,829.14 and 293,022.89 is: 439,570.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,490.53 : 1,122,829.14 = 293,022.89 : x
  2. Step 2: Convert to fraction form
    748,490.53/1,122,829.14 = 293,022.89/x
  3. Step 3: Cross multiply
    748,490.53x = 1,122,829.14 × 293,022.89
  4. Step 4: Simplify right side
    748,490.53x = 329,014,639,579.02
  5. Step 5: Solve for x
    x = 329,014,639,579.02/748,490.53
  6. Step 6: Final answer
    x = 439,570.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.