Home / 841,846.63-1,263,083.66-505,128.95

Finding the Fourth Proportional to 841,846.63, 1,263,083.66 and 505,128.95

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Solution

The fourth proportional to 841,846.63, 1,263,083.66 and 505,128.95 is: 757,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,846.63 : 1,263,083.66 = 505,128.95 : x
  2. Step 2: Convert to fraction form
    841,846.63/1,263,083.66 = 505,128.95/x
  3. Step 3: Cross multiply
    841,846.63x = 1,263,083.66 × 505,128.95
  4. Step 4: Simplify right side
    841,846.63x = 638,020,122,937.96
  5. Step 5: Solve for x
    x = 638,020,122,937.96/841,846.63
  6. Step 6: Final answer
    x = 757,881.66

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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.