Home / 1,217,810.30-1,680,582.70-659,004.76

Finding the Fourth Proportional to 1,217,810.30, 1,680,582.70 and 659,004.76

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Solution

The fourth proportional to 1,217,810.30, 1,680,582.70 and 659,004.76 is: 909,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,810.30 : 1,680,582.70 = 659,004.76 : x
  2. Step 2: Convert to fraction form
    1,217,810.30/1,680,582.70 = 659,004.76/x
  3. Step 3: Cross multiply
    1,217,810.30x = 1,680,582.70 × 659,004.76
  4. Step 4: Simplify right side
    1,217,810.30x = 1,107,511,998,873.65
  5. Step 5: Solve for x
    x = 1,107,511,998,873.65/1,217,810.30
  6. Step 6: Final answer
    x = 909,429.00

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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.