Home / 816,718.63-1,127,097.91-454,157.77

Finding the Fourth Proportional to 816,718.63, 1,127,097.91 and 454,157.77

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Solution

The fourth proportional to 816,718.63, 1,127,097.91 and 454,157.77 is: 626,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,718.63 : 1,127,097.91 = 454,157.77 : x
  2. Step 2: Convert to fraction form
    816,718.63/1,127,097.91 = 454,157.77/x
  3. Step 3: Cross multiply
    816,718.63x = 1,127,097.91 × 454,157.77
  4. Step 4: Simplify right side
    816,718.63x = 511,880,272,241.87
  5. Step 5: Solve for x
    x = 511,880,272,241.87/816,718.63
  6. Step 6: Final answer
    x = 626,752.29

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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.