Home / 666,748.22-999,236.58-382,574.90

Finding the Fourth Proportional to 666,748.22, 999,236.58 and 382,574.90

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Solution

The fourth proportional to 666,748.22, 999,236.58 and 382,574.90 is: 573,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,748.22 : 999,236.58 = 382,574.90 : x
  2. Step 2: Convert to fraction form
    666,748.22/999,236.58 = 382,574.90/x
  3. Step 3: Cross multiply
    666,748.22x = 999,236.58 × 382,574.90
  4. Step 4: Simplify right side
    666,748.22x = 382,282,834,669.84
  5. Step 5: Solve for x
    x = 382,282,834,669.84/666,748.22
  6. Step 6: Final answer
    x = 573,354.11

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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.