Home / 918,682.60-1,376,624.22-469,385.32

Finding the Fourth Proportional to 918,682.60, 1,376,624.22 and 469,385.32

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Solution

The fourth proportional to 918,682.60, 1,376,624.22 and 469,385.32 is: 703,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,682.60 : 1,376,624.22 = 469,385.32 : x
  2. Step 2: Convert to fraction form
    918,682.60/1,376,624.22 = 469,385.32/x
  3. Step 3: Cross multiply
    918,682.60x = 1,376,624.22 × 469,385.32
  4. Step 4: Simplify right side
    918,682.60x = 646,167,200,024.45
  5. Step 5: Solve for x
    x = 646,167,200,024.45/918,682.60
  6. Step 6: Final answer
    x = 703,362.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.