Home / 779,908.20-1,168,768.80-620,257.20

Finding the Fourth Proportional to 779,908.20, 1,168,768.80 and 620,257.20

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Solution

The fourth proportional to 779,908.20, 1,168,768.80 and 620,257.20 is: 929,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,908.20 : 1,168,768.80 = 620,257.20 : x
  2. Step 2: Convert to fraction form
    779,908.20/1,168,768.80 = 620,257.20/x
  3. Step 3: Cross multiply
    779,908.20x = 1,168,768.80 × 620,257.20
  4. Step 4: Simplify right side
    779,908.20x = 724,937,263,335.36
  5. Step 5: Solve for x
    x = 724,937,263,335.36/779,908.20
  6. Step 6: Final answer
    x = 929,516.14

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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.