Home / 838,426.34-1,157,049.16-456,474.08

Finding the Fourth Proportional to 838,426.34, 1,157,049.16 and 456,474.08

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Solution

The fourth proportional to 838,426.34, 1,157,049.16 and 456,474.08 is: 629,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,426.34 : 1,157,049.16 = 456,474.08 : x
  2. Step 2: Convert to fraction form
    838,426.34/1,157,049.16 = 456,474.08/x
  3. Step 3: Cross multiply
    838,426.34x = 1,157,049.16 × 456,474.08
  4. Step 4: Simplify right side
    838,426.34x = 528,162,952,577.21
  5. Step 5: Solve for x
    x = 528,162,952,577.21/838,426.34
  6. Step 6: Final answer
    x = 629,945.56

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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.