Home / 1,115,887.32-1,539,892.08-632,496.96

Finding the Fourth Proportional to 1,115,887.32, 1,539,892.08 and 632,496.96

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Solution

The fourth proportional to 1,115,887.32, 1,539,892.08 and 632,496.96 is: 872,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,887.32 : 1,539,892.08 = 632,496.96 : x
  2. Step 2: Convert to fraction form
    1,115,887.32/1,539,892.08 = 632,496.96/x
  3. Step 3: Cross multiply
    1,115,887.32x = 1,539,892.08 × 632,496.96
  4. Step 4: Simplify right side
    1,115,887.32x = 973,977,059,328.08
  5. Step 5: Solve for x
    x = 973,977,059,328.08/1,115,887.32
  6. Step 6: Final answer
    x = 872,827.43

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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.