Home / 838,358.22-1,156,934.50-456,384.90

Finding the Fourth Proportional to 838,358.22, 1,156,934.50 and 456,384.90

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Solution

The fourth proportional to 838,358.22, 1,156,934.50 and 456,384.90 is: 629,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,358.22 : 1,156,934.50 = 456,384.90 : x
  2. Step 2: Convert to fraction form
    838,358.22/1,156,934.50 = 456,384.90/x
  3. Step 3: Cross multiply
    838,358.22x = 1,156,934.50 × 456,384.90
  4. Step 4: Simplify right side
    838,358.22x = 528,007,436,089.05
  5. Step 5: Solve for x
    x = 528,007,436,089.05/838,358.22
  6. Step 6: Final answer
    x = 629,811.25

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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.