Home / 1,217,707.72-1,819,094.76-877,847.92

Finding the Fourth Proportional to 1,217,707.72, 1,819,094.76 and 877,847.92

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Solution

The fourth proportional to 1,217,707.72, 1,819,094.76 and 877,847.92 is: 1,311,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,707.72 : 1,819,094.76 = 877,847.92 : x
  2. Step 2: Convert to fraction form
    1,217,707.72/1,819,094.76 = 877,847.92/x
  3. Step 3: Cross multiply
    1,217,707.72x = 1,819,094.76 × 877,847.92
  4. Step 4: Simplify right side
    1,217,707.72x = 1,596,888,551,348.90
  5. Step 5: Solve for x
    x = 1,596,888,551,348.90/1,217,707.72
  6. Step 6: Final answer
    x = 1,311,389.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.