Home / 1,125,761.54-1,688,909.31-367,603.36

Finding the Fourth Proportional to 1,125,761.54, 1,688,909.31 and 367,603.36

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Solution

The fourth proportional to 1,125,761.54, 1,688,909.31 and 367,603.36 is: 551,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,761.54 : 1,688,909.31 = 367,603.36 : x
  2. Step 2: Convert to fraction form
    1,125,761.54/1,688,909.31 = 367,603.36/x
  3. Step 3: Cross multiply
    1,125,761.54x = 1,688,909.31 × 367,603.36
  4. Step 4: Simplify right side
    1,125,761.54x = 620,848,732,869.01
  5. Step 5: Solve for x
    x = 620,848,732,869.01/1,125,761.54
  6. Step 6: Final answer
    x = 551,492.22

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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.