Home / 777,018.35-1,165,694.29-440,220.35

Finding the Fourth Proportional to 777,018.35, 1,165,694.29 and 440,220.35

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Solution

The fourth proportional to 777,018.35, 1,165,694.29 and 440,220.35 is: 660,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018.35 : 1,165,694.29 = 440,220.35 : x
  2. Step 2: Convert to fraction form
    777,018.35/1,165,694.29 = 440,220.35/x
  3. Step 3: Cross multiply
    777,018.35x = 1,165,694.29 × 440,220.35
  4. Step 4: Simplify right side
    777,018.35x = 513,162,350,150.49
  5. Step 5: Solve for x
    x = 513,162,350,150.49/777,018.35
  6. Step 6: Final answer
    x = 660,425.01

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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.