Home / 766,035.59-1,057,088.61-439,331.75

Finding the Fourth Proportional to 766,035.59, 1,057,088.61 and 439,331.75

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Solution

The fourth proportional to 766,035.59, 1,057,088.61 and 439,331.75 is: 606,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,035.59 : 1,057,088.61 = 439,331.75 : x
  2. Step 2: Convert to fraction form
    766,035.59/1,057,088.61 = 439,331.75/x
  3. Step 3: Cross multiply
    766,035.59x = 1,057,088.61 × 439,331.75
  4. Step 4: Simplify right side
    766,035.59x = 464,412,583,650.93
  5. Step 5: Solve for x
    x = 464,412,583,650.93/766,035.59
  6. Step 6: Final answer
    x = 606,254.58

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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.