Home / 1,153,604.80-1,730,407.20-681,212.80

Finding the Fourth Proportional to 1,153,604.80, 1,730,407.20 and 681,212.80

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Solution

The fourth proportional to 1,153,604.80, 1,730,407.20 and 681,212.80 is: 1,021,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,604.80 : 1,730,407.20 = 681,212.80 : x
  2. Step 2: Convert to fraction form
    1,153,604.80/1,730,407.20 = 681,212.80/x
  3. Step 3: Cross multiply
    1,153,604.80x = 1,730,407.20 × 681,212.80
  4. Step 4: Simplify right side
    1,153,604.80x = 1,178,775,533,852.16
  5. Step 5: Solve for x
    x = 1,178,775,533,852.16/1,153,604.80
  6. Step 6: Final answer
    x = 1,021,819.20

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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.