Home / 1,213,594.80-1,820,392.20-653,722.80

Finding the Fourth Proportional to 1,213,594.80, 1,820,392.20 and 653,722.80

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Solution

The fourth proportional to 1,213,594.80, 1,820,392.20 and 653,722.80 is: 980,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,594.80 : 1,820,392.20 = 653,722.80 : x
  2. Step 2: Convert to fraction form
    1,213,594.80/1,820,392.20 = 653,722.80/x
  3. Step 3: Cross multiply
    1,213,594.80x = 1,820,392.20 × 653,722.80
  4. Step 4: Simplify right side
    1,213,594.80x = 1,190,031,886,082.16
  5. Step 5: Solve for x
    x = 1,190,031,886,082.16/1,213,594.80
  6. Step 6: Final answer
    x = 980,584.20

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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.