Home / 779,936.34-1,076,334.22-440,455.62

Finding the Fourth Proportional to 779,936.34, 1,076,334.22 and 440,455.62

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Solution

The fourth proportional to 779,936.34, 1,076,334.22 and 440,455.62 is: 607,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,936.34 : 1,076,334.22 = 440,455.62 : x
  2. Step 2: Convert to fraction form
    779,936.34/1,076,334.22 = 440,455.62/x
  3. Step 3: Cross multiply
    779,936.34x = 1,076,334.22 × 440,455.62
  4. Step 4: Simplify right side
    779,936.34x = 474,077,456,197.32
  5. Step 5: Solve for x
    x = 474,077,456,197.32/779,936.34
  6. Step 6: Final answer
    x = 607,841.22

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Double scale
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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.