Home / 1,487,771.47-2,231,867.36-476,656.91

Finding the Fourth Proportional to 1,487,771.47, 2,231,867.36 and 476,656.91

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Solution

The fourth proportional to 1,487,771.47, 2,231,867.36 and 476,656.91 is: 715,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,771.47 : 2,231,867.36 = 476,656.91 : x
  2. Step 2: Convert to fraction form
    1,487,771.47/2,231,867.36 = 476,656.91/x
  3. Step 3: Cross multiply
    1,487,771.47x = 2,231,867.36 × 476,656.91
  4. Step 4: Simplify right side
    1,487,771.47x = 1,063,834,989,379.76
  5. Step 5: Solve for x
    x = 1,063,834,989,379.76/1,487,771.47
  6. Step 6: Final answer
    x = 715,052.69

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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.