Home / 779,936.46-1,076,334.39-440,455.74

Finding the Fourth Proportional to 779,936.46, 1,076,334.39 and 440,455.74

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Solution

The fourth proportional to 779,936.46, 1,076,334.39 and 440,455.74 is: 607,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,936.46 : 1,076,334.39 = 440,455.74 : x
  2. Step 2: Convert to fraction form
    779,936.46/1,076,334.39 = 440,455.74/x
  3. Step 3: Cross multiply
    779,936.46x = 1,076,334.39 × 440,455.74
  4. Step 4: Simplify right side
    779,936.46x = 474,077,660,234.90
  5. Step 5: Solve for x
    x = 474,077,660,234.90/779,936.46
  6. Step 6: Final answer
    x = 607,841.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.