Home / 776,858.41-1,072,048.08-432,693.28

Finding the Fourth Proportional to 776,858.41, 1,072,048.08 and 432,693.28

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Solution

The fourth proportional to 776,858.41, 1,072,048.08 and 432,693.28 is: 597,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,858.41 : 1,072,048.08 = 432,693.28 : x
  2. Step 2: Convert to fraction form
    776,858.41/1,072,048.08 = 432,693.28/x
  3. Step 3: Cross multiply
    776,858.41x = 1,072,048.08 × 432,693.28
  4. Step 4: Simplify right side
    776,858.41x = 463,868,000,052.90
  5. Step 5: Solve for x
    x = 463,868,000,052.90/776,858.41
  6. Step 6: Final answer
    x = 597,107.52

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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.