Home / 692,635.80-1,036,985.40-613,903.80

Finding the Fourth Proportional to 692,635.80, 1,036,985.40 and 613,903.80

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Solution

The fourth proportional to 692,635.80, 1,036,985.40 and 613,903.80 is: 919,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,635.80 : 1,036,985.40 = 613,903.80 : x
  2. Step 2: Convert to fraction form
    692,635.80/1,036,985.40 = 613,903.80/x
  3. Step 3: Cross multiply
    692,635.80x = 1,036,985.40 × 613,903.80
  4. Step 4: Simplify right side
    692,635.80x = 636,609,277,604.52
  5. Step 5: Solve for x
    x = 636,609,277,604.52/692,635.80
  6. Step 6: Final answer
    x = 919,111.14

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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.