Home / 827,875.56-1,240,774.51-354,003.69

Finding the Fourth Proportional to 827,875.56, 1,240,774.51 and 354,003.69

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Solution

The fourth proportional to 827,875.56, 1,240,774.51 and 354,003.69 is: 530,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,875.56 : 1,240,774.51 = 354,003.69 : x
  2. Step 2: Convert to fraction form
    827,875.56/1,240,774.51 = 354,003.69/x
  3. Step 3: Cross multiply
    827,875.56x = 1,240,774.51 × 354,003.69
  4. Step 4: Simplify right side
    827,875.56x = 439,238,754,997.94
  5. Step 5: Solve for x
    x = 439,238,754,997.94/827,875.56
  6. Step 6: Final answer
    x = 530,561.33

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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.