Home / 748,561.50-1,033,040.39-409,051.62

Finding the Fourth Proportional to 748,561.50, 1,033,040.39 and 409,051.62

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Solution

The fourth proportional to 748,561.50, 1,033,040.39 and 409,051.62 is: 564,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,561.50 : 1,033,040.39 = 409,051.62 : x
  2. Step 2: Convert to fraction form
    748,561.50/1,033,040.39 = 409,051.62/x
  3. Step 3: Cross multiply
    748,561.50x = 1,033,040.39 × 409,051.62
  4. Step 4: Simplify right side
    748,561.50x = 422,566,843,009.67
  5. Step 5: Solve for x
    x = 422,566,843,009.67/748,561.50
  6. Step 6: Final answer
    x = 564,505.18

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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.