Home / 1,093,534.20-1,640,301.30-771,607.80

Finding the Fourth Proportional to 1,093,534.20, 1,640,301.30 and 771,607.80

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Solution

The fourth proportional to 1,093,534.20, 1,640,301.30 and 771,607.80 is: 1,157,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,534.20 : 1,640,301.30 = 771,607.80 : x
  2. Step 2: Convert to fraction form
    1,093,534.20/1,640,301.30 = 771,607.80/x
  3. Step 3: Cross multiply
    1,093,534.20x = 1,640,301.30 × 771,607.80
  4. Step 4: Simplify right side
    1,093,534.20x = 1,265,669,277,430.14
  5. Step 5: Solve for x
    x = 1,265,669,277,430.14/1,093,534.20
  6. Step 6: Final answer
    x = 1,157,411.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.