Home / 1,206,615.15-1,809,895.05-607,415.40

Finding the Fourth Proportional to 1,206,615.15, 1,809,895.05 and 607,415.40

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Solution

The fourth proportional to 1,206,615.15, 1,809,895.05 and 607,415.40 is: 911,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,615.15 : 1,809,895.05 = 607,415.40 : x
  2. Step 2: Convert to fraction form
    1,206,615.15/1,809,895.05 = 607,415.40/x
  3. Step 3: Cross multiply
    1,206,615.15x = 1,809,895.05 × 607,415.40
  4. Step 4: Simplify right side
    1,206,615.15x = 1,099,358,125,753.77
  5. Step 5: Solve for x
    x = 1,099,358,125,753.77/1,206,615.15
  6. Step 6: Final answer
    x = 911,109.17

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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.