Home / 1,093,812.80-1,640,719.20-1,031,811.35

Finding the Fourth Proportional to 1,093,812.80, 1,640,719.20 and 1,031,811.35

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Solution

The fourth proportional to 1,093,812.80, 1,640,719.20 and 1,031,811.35 is: 1,547,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,812.80 : 1,640,719.20 = 1,031,811.35 : x
  2. Step 2: Convert to fraction form
    1,093,812.80/1,640,719.20 = 1,031,811.35/x
  3. Step 3: Cross multiply
    1,093,812.80x = 1,640,719.20 × 1,031,811.35
  4. Step 4: Simplify right side
    1,093,812.80x = 1,692,912,692,722.92
  5. Step 5: Solve for x
    x = 1,692,912,692,722.92/1,093,812.80
  6. Step 6: Final answer
    x = 1,547,717.03

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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.