Home / 827,876.07-1,240,775.26-354,004.20

Finding the Fourth Proportional to 827,876.07, 1,240,775.26 and 354,004.20

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Solution

The fourth proportional to 827,876.07, 1,240,775.26 and 354,004.20 is: 530,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,876.07 : 1,240,775.26 = 354,004.20 : x
  2. Step 2: Convert to fraction form
    827,876.07/1,240,775.26 = 354,004.20/x
  3. Step 3: Cross multiply
    827,876.07x = 1,240,775.26 × 354,004.20
  4. Step 4: Simplify right side
    827,876.07x = 439,239,652,411.08
  5. Step 5: Solve for x
    x = 439,239,652,411.08/827,876.07
  6. Step 6: Final answer
    x = 530,562.08

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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.