Home / 776,857.41-1,072,046.70-432,692.28

Finding the Fourth Proportional to 776,857.41, 1,072,046.70 and 432,692.28

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Solution

The fourth proportional to 776,857.41, 1,072,046.70 and 432,692.28 is: 597,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,857.41 : 1,072,046.70 = 432,692.28 : x
  2. Step 2: Convert to fraction form
    776,857.41/1,072,046.70 = 432,692.28/x
  3. Step 3: Cross multiply
    776,857.41x = 1,072,046.70 × 432,692.28
  4. Step 4: Simplify right side
    776,857.41x = 463,866,330,889.48
  5. Step 5: Solve for x
    x = 463,866,330,889.48/776,857.41
  6. Step 6: Final answer
    x = 597,106.14

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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.