Home / 666,459.04-999,585.84-217,178.76

Finding the Fourth Proportional to 666,459.04, 999,585.84 and 217,178.76

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Solution

The fourth proportional to 666,459.04, 999,585.84 and 217,178.76 is: 325,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,459.04 : 999,585.84 = 217,178.76 : x
  2. Step 2: Convert to fraction form
    666,459.04/999,585.84 = 217,178.76/x
  3. Step 3: Cross multiply
    666,459.04x = 999,585.84 × 217,178.76
  4. Step 4: Simplify right side
    666,459.04x = 217,088,813,244.76
  5. Step 5: Solve for x
    x = 217,088,813,244.76/666,459.04
  6. Step 6: Final answer
    x = 325,734.67

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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.