Home / 838,135.57-1,156,627.08-456,165.08

Finding the Fourth Proportional to 838,135.57, 1,156,627.08 and 456,165.08

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Solution

The fourth proportional to 838,135.57, 1,156,627.08 and 456,165.08 is: 629,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,135.57 : 1,156,627.08 = 456,165.08 : x
  2. Step 2: Convert to fraction form
    838,135.57/1,156,627.08 = 456,165.08/x
  3. Step 3: Cross multiply
    838,135.57x = 1,156,627.08 × 456,165.08
  4. Step 4: Simplify right side
    838,135.57x = 527,612,884,478.37
  5. Step 5: Solve for x
    x = 527,612,884,478.37/838,135.57
  6. Step 6: Final answer
    x = 629,507.81

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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.