Home / 1,584,279.12-2,186,305.76-859,126.64

Finding the Fourth Proportional to 1,584,279.12, 2,186,305.76 and 859,126.64

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Solution

The fourth proportional to 1,584,279.12, 2,186,305.76 and 859,126.64 is: 1,185,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,279.12 : 2,186,305.76 = 859,126.64 : x
  2. Step 2: Convert to fraction form
    1,584,279.12/2,186,305.76 = 859,126.64/x
  3. Step 3: Cross multiply
    1,584,279.12x = 2,186,305.76 × 859,126.64
  4. Step 4: Simplify right side
    1,584,279.12x = 1,878,313,512,817.73
  5. Step 5: Solve for x
    x = 1,878,313,512,817.73/1,584,279.12
  6. Step 6: Final answer
    x = 1,185,595.07

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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.