Home / 841,844.63-1,263,080.66-505,126.95

Finding the Fourth Proportional to 841,844.63, 1,263,080.66 and 505,126.95

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Solution

The fourth proportional to 841,844.63, 1,263,080.66 and 505,126.95 is: 757,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,844.63 : 1,263,080.66 = 505,126.95 : x
  2. Step 2: Convert to fraction form
    841,844.63/1,263,080.66 = 505,126.95/x
  3. Step 3: Cross multiply
    841,844.63x = 1,263,080.66 × 505,126.95
  4. Step 4: Simplify right side
    841,844.63x = 638,016,078,864.15
  5. Step 5: Solve for x
    x = 638,016,078,864.15/841,844.63
  6. Step 6: Final answer
    x = 757,878.66

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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.