Home / 1,217,808.29-1,680,579.93-659,002.76

Finding the Fourth Proportional to 1,217,808.29, 1,680,579.93 and 659,002.76

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Solution

The fourth proportional to 1,217,808.29, 1,680,579.93 and 659,002.76 is: 909,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,808.29 : 1,680,579.93 = 659,002.76 : x
  2. Step 2: Convert to fraction form
    1,217,808.29/1,680,579.93 = 659,002.76/x
  3. Step 3: Cross multiply
    1,217,808.29x = 1,680,579.93 × 659,002.76
  4. Step 4: Simplify right side
    1,217,808.29x = 1,107,506,812,270.61
  5. Step 5: Solve for x
    x = 1,107,506,812,270.61/1,217,808.29
  6. Step 6: Final answer
    x = 909,426.24

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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.