Home / 838,419.24-1,157,018.22-456,445.92

Finding the Fourth Proportional to 838,419.24, 1,157,018.22 and 456,445.92

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Solution

The fourth proportional to 838,419.24, 1,157,018.22 and 456,445.92 is: 629,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,419.24 : 1,157,018.22 = 456,445.92 : x
  2. Step 2: Convert to fraction form
    838,419.24/1,157,018.22 = 456,445.92/x
  3. Step 3: Cross multiply
    838,419.24x = 1,157,018.22 × 456,445.92
  4. Step 4: Simplify right side
    838,419.24x = 528,116,245,884.66
  5. Step 5: Solve for x
    x = 528,116,245,884.66/838,419.24
  6. Step 6: Final answer
    x = 629,895.19

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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.