Home / 838,625.05-1,157,267.82-456,650.92

Finding the Fourth Proportional to 838,625.05, 1,157,267.82 and 456,650.92

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Solution

The fourth proportional to 838,625.05, 1,157,267.82 and 456,650.92 is: 630,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,625.05 : 1,157,267.82 = 456,650.92 : x
  2. Step 2: Convert to fraction form
    838,625.05/1,157,267.82 = 456,650.92/x
  3. Step 3: Cross multiply
    838,625.05x = 1,157,267.82 × 456,650.92
  4. Step 4: Simplify right side
    838,625.05x = 528,467,414,689.39
  5. Step 5: Solve for x
    x = 528,467,414,689.39/838,625.05
  6. Step 6: Final answer
    x = 630,159.35

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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.