Home / 1,527,922.64-2,108,532.78-839,638.88

Finding the Fourth Proportional to 1,527,922.64, 2,108,532.78 and 839,638.88

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Solution

The fourth proportional to 1,527,922.64, 2,108,532.78 and 839,638.88 is: 1,158,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,922.64 : 2,108,532.78 = 839,638.88 : x
  2. Step 2: Convert to fraction form
    1,527,922.64/2,108,532.78 = 839,638.88/x
  3. Step 3: Cross multiply
    1,527,922.64x = 2,108,532.78 × 839,638.88
  4. Step 4: Simplify right side
    1,527,922.64x = 1,770,406,101,842.49
  5. Step 5: Solve for x
    x = 1,770,406,101,842.49/1,527,922.64
  6. Step 6: Final answer
    x = 1,158,701.40

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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.