Home / 1,218,169.65-1,826,623.71-649,397.98

Finding the Fourth Proportional to 1,218,169.65, 1,826,623.71 and 649,397.98

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Solution

The fourth proportional to 1,218,169.65, 1,826,623.71 and 649,397.98 is: 973,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,169.65 : 1,826,623.71 = 649,397.98 : x
  2. Step 2: Convert to fraction form
    1,218,169.65/1,826,623.71 = 649,397.98/x
  3. Step 3: Cross multiply
    1,218,169.65x = 1,826,623.71 × 649,397.98
  4. Step 4: Simplify right side
    1,218,169.65x = 1,186,205,754,914.76
  5. Step 5: Solve for x
    x = 1,186,205,754,914.76/1,218,169.65
  6. Step 6: Final answer
    x = 973,760.72

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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.