Home / 1,170,520.88-1,615,450.10-661,256.06

Finding the Fourth Proportional to 1,170,520.88, 1,615,450.10 and 661,256.06

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Solution

The fourth proportional to 1,170,520.88, 1,615,450.10 and 661,256.06 is: 912,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,520.88 : 1,615,450.10 = 661,256.06 : x
  2. Step 2: Convert to fraction form
    1,170,520.88/1,615,450.10 = 661,256.06/x
  3. Step 3: Cross multiply
    1,170,520.88x = 1,615,450.10 × 661,256.06
  4. Step 4: Simplify right side
    1,170,520.88x = 1,068,226,156,869.08
  5. Step 5: Solve for x
    x = 1,068,226,156,869.08/1,170,520.88
  6. Step 6: Final answer
    x = 912,607.52

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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.