Home / 1,185,851.64-1,636,473.24-641,987.22

Finding the Fourth Proportional to 1,185,851.64, 1,636,473.24 and 641,987.22

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Solution

The fourth proportional to 1,185,851.64, 1,636,473.24 and 641,987.22 is: 885,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,851.64 : 1,636,473.24 = 641,987.22 : x
  2. Step 2: Convert to fraction form
    1,185,851.64/1,636,473.24 = 641,987.22/x
  3. Step 3: Cross multiply
    1,185,851.64x = 1,636,473.24 × 641,987.22
  4. Step 4: Simplify right side
    1,185,851.64x = 1,050,594,905,951.99
  5. Step 5: Solve for x
    x = 1,050,594,905,951.99/1,185,851.64
  6. Step 6: Final answer
    x = 885,941.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.