Home / 1,297,681.86-1,947,219.93-540,045.66

Finding the Fourth Proportional to 1,297,681.86, 1,947,219.93 and 540,045.66

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Solution

The fourth proportional to 1,297,681.86, 1,947,219.93 and 540,045.66 is: 810,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,681.86 : 1,947,219.93 = 540,045.66 : x
  2. Step 2: Convert to fraction form
    1,297,681.86/1,947,219.93 = 540,045.66/x
  3. Step 3: Cross multiply
    1,297,681.86x = 1,947,219.93 × 540,045.66
  4. Step 4: Simplify right side
    1,297,681.86x = 1,051,587,672,262.00
  5. Step 5: Solve for x
    x = 1,051,587,672,262.00/1,297,681.86
  6. Step 6: Final answer
    x = 810,358.61

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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.