Home / 841,845.63-1,263,082.16-505,127.95

Finding the Fourth Proportional to 841,845.63, 1,263,082.16 and 505,127.95

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Solution

The fourth proportional to 841,845.63, 1,263,082.16 and 505,127.95 is: 757,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,845.63 : 1,263,082.16 = 505,127.95 : x
  2. Step 2: Convert to fraction form
    841,845.63/1,263,082.16 = 505,127.95/x
  3. Step 3: Cross multiply
    841,845.63x = 1,263,082.16 × 505,127.95
  4. Step 4: Simplify right side
    841,845.63x = 638,018,102,162.37
  5. Step 5: Solve for x
    x = 638,018,102,162.37/841,845.63
  6. Step 6: Final answer
    x = 757,880.16

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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.