Home / 859,643.56-1,186,319.94-477,663.40

Finding the Fourth Proportional to 859,643.56, 1,186,319.94 and 477,663.40

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Solution

The fourth proportional to 859,643.56, 1,186,319.94 and 477,663.40 is: 659,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,643.56 : 1,186,319.94 = 477,663.40 : x
  2. Step 2: Convert to fraction form
    859,643.56/1,186,319.94 = 477,663.40/x
  3. Step 3: Cross multiply
    859,643.56x = 1,186,319.94 × 477,663.40
  4. Step 4: Simplify right side
    859,643.56x = 566,661,616,028.20
  5. Step 5: Solve for x
    x = 566,661,616,028.20/859,643.56
  6. Step 6: Final answer
    x = 659,182.06

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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.