Home / 827,904.08-1,240,817.32-354,032.24

Finding the Fourth Proportional to 827,904.08, 1,240,817.32 and 354,032.24

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Solution

The fourth proportional to 827,904.08, 1,240,817.32 and 354,032.24 is: 530,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,904.08 : 1,240,817.32 = 354,032.24 : x
  2. Step 2: Convert to fraction form
    827,904.08/1,240,817.32 = 354,032.24/x
  3. Step 3: Cross multiply
    827,904.08x = 1,240,817.32 × 354,032.24
  4. Step 4: Simplify right side
    827,904.08x = 439,289,335,230.40
  5. Step 5: Solve for x
    x = 439,289,335,230.40/827,904.08
  6. Step 6: Final answer
    x = 530,604.14

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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.