Home / 788,460.59-1,088,076.05-425,884.45

Finding the Fourth Proportional to 788,460.59, 1,088,076.05 and 425,884.45

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Solution

The fourth proportional to 788,460.59, 1,088,076.05 and 425,884.45 is: 587,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,460.59 : 1,088,076.05 = 425,884.45 : x
  2. Step 2: Convert to fraction form
    788,460.59/1,088,076.05 = 425,884.45/x
  3. Step 3: Cross multiply
    788,460.59x = 1,088,076.05 × 425,884.45
  4. Step 4: Simplify right side
    788,460.59x = 463,394,667,658.41
  5. Step 5: Solve for x
    x = 463,394,667,658.41/788,460.59
  6. Step 6: Final answer
    x = 587,720.77

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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.