Home / 881,403.57-1,208,415.48-865,460.34

Finding the Fourth Proportional to 881,403.57, 1,208,415.48 and 865,460.34

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Solution

The fourth proportional to 881,403.57, 1,208,415.48 and 865,460.34 is: 1,186,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,403.57 : 1,208,415.48 = 865,460.34 : x
  2. Step 2: Convert to fraction form
    881,403.57/1,208,415.48 = 865,460.34/x
  3. Step 3: Cross multiply
    881,403.57x = 1,208,415.48 × 865,460.34
  4. Step 4: Simplify right side
    881,403.57x = 1,045,835,672,182.06
  5. Step 5: Solve for x
    x = 1,045,835,672,182.06/881,403.57
  6. Step 6: Final answer
    x = 1,186,557.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.