Home / 774,401.80-1,161,602.70-606,440.20

Finding the Fourth Proportional to 774,401.80, 1,161,602.70 and 606,440.20

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Solution

The fourth proportional to 774,401.80, 1,161,602.70 and 606,440.20 is: 909,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,401.80 : 1,161,602.70 = 606,440.20 : x
  2. Step 2: Convert to fraction form
    774,401.80/1,161,602.70 = 606,440.20/x
  3. Step 3: Cross multiply
    774,401.80x = 1,161,602.70 × 606,440.20
  4. Step 4: Simplify right side
    774,401.80x = 704,442,573,708.54
  5. Step 5: Solve for x
    x = 704,442,573,708.54/774,401.80
  6. Step 6: Final answer
    x = 909,660.30

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Double scale
Find fourth proportional to 774,402.80, 1,161,604.20 and 606,441.20
Similar ratio
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1.5x scale

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.