Home / 816,718.01-1,127,097.05-454,157.15

Finding the Fourth Proportional to 816,718.01, 1,127,097.05 and 454,157.15

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Solution

The fourth proportional to 816,718.01, 1,127,097.05 and 454,157.15 is: 626,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,718.01 : 1,127,097.05 = 454,157.15 : x
  2. Step 2: Convert to fraction form
    816,718.01/1,127,097.05 = 454,157.15/x
  3. Step 3: Cross multiply
    816,718.01x = 1,127,097.05 × 454,157.15
  4. Step 4: Simplify right side
    816,718.01x = 511,879,176,095.14
  5. Step 5: Solve for x
    x = 511,879,176,095.14/816,718.01
  6. Step 6: Final answer
    x = 626,751.43

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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.