Home / 826,384.58-1,140,410.70-463,808.44

Finding the Fourth Proportional to 826,384.58, 1,140,410.70 and 463,808.44

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Solution

The fourth proportional to 826,384.58, 1,140,410.70 and 463,808.44 is: 640,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,384.58 : 1,140,410.70 = 463,808.44 : x
  2. Step 2: Convert to fraction form
    826,384.58/1,140,410.70 = 463,808.44/x
  3. Step 3: Cross multiply
    826,384.58x = 1,140,410.70 × 463,808.44
  4. Step 4: Simplify right side
    826,384.58x = 528,932,107,726.31
  5. Step 5: Solve for x
    x = 528,932,107,726.31/826,384.58
  6. Step 6: Final answer
    x = 640,055.64

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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.