Home / 505,461.24-697,528.14-279,100.92

Finding the Fourth Proportional to 505,461.24, 697,528.14 and 279,100.92

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Solution

The fourth proportional to 505,461.24, 697,528.14 and 279,100.92 is: 385,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,461.24 : 697,528.14 = 279,100.92 : x
  2. Step 2: Convert to fraction form
    505,461.24/697,528.14 = 279,100.92/x
  3. Step 3: Cross multiply
    505,461.24x = 697,528.14 × 279,100.92
  4. Step 4: Simplify right side
    505,461.24x = 194,680,745,599.89
  5. Step 5: Solve for x
    x = 194,680,745,599.89/505,461.24
  6. Step 6: Final answer
    x = 385,154.65

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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.