Home / 1,144,412.80-1,579,279.43-628,151.40

Finding the Fourth Proportional to 1,144,412.80, 1,579,279.43 and 628,151.40

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Solution

The fourth proportional to 1,144,412.80, 1,579,279.43 and 628,151.40 is: 866,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,412.80 : 1,579,279.43 = 628,151.40 : x
  2. Step 2: Convert to fraction form
    1,144,412.80/1,579,279.43 = 628,151.40/x
  3. Step 3: Cross multiply
    1,144,412.80x = 1,579,279.43 × 628,151.40
  4. Step 4: Simplify right side
    1,144,412.80x = 992,026,586,516.08
  5. Step 5: Solve for x
    x = 992,026,586,516.08/1,144,412.80
  6. Step 6: Final answer
    x = 866,843.32

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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.