Home / 1,237,290.60-1,853,603.10-636,205.80

Finding the Fourth Proportional to 1,237,290.60, 1,853,603.10 and 636,205.80

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Solution

The fourth proportional to 1,237,290.60, 1,853,603.10 and 636,205.80 is: 953,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,290.60 : 1,853,603.10 = 636,205.80 : x
  2. Step 2: Convert to fraction form
    1,237,290.60/1,853,603.10 = 636,205.80/x
  3. Step 3: Cross multiply
    1,237,290.60x = 1,853,603.10 × 636,205.80
  4. Step 4: Simplify right side
    1,237,290.60x = 1,179,273,043,117.98
  5. Step 5: Solve for x
    x = 1,179,273,043,117.98/1,237,290.60
  6. Step 6: Final answer
    x = 953,109.19

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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.