Home / 838,214.64-1,156,735.08-456,240.24

Finding the Fourth Proportional to 838,214.64, 1,156,735.08 and 456,240.24

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Solution

The fourth proportional to 838,214.64, 1,156,735.08 and 456,240.24 is: 629,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,214.64 : 1,156,735.08 = 456,240.24 : x
  2. Step 2: Convert to fraction form
    838,214.64/1,156,735.08 = 456,240.24/x
  3. Step 3: Cross multiply
    838,214.64x = 1,156,735.08 × 456,240.24
  4. Step 4: Simplify right side
    838,214.64x = 527,749,090,515.62
  5. Step 5: Solve for x
    x = 527,749,090,515.62/838,214.64
  6. Step 6: Final answer
    x = 629,610.92

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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.