Home / 859,733.76-1,186,461.36-477,776.64

Finding the Fourth Proportional to 859,733.76, 1,186,461.36 and 477,776.64

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Solution

The fourth proportional to 859,733.76, 1,186,461.36 and 477,776.64 is: 659,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,733.76 : 1,186,461.36 = 477,776.64 : x
  2. Step 2: Convert to fraction form
    859,733.76/1,186,461.36 = 477,776.64/x
  3. Step 3: Cross multiply
    859,733.76x = 1,186,461.36 × 477,776.64
  4. Step 4: Simplify right side
    859,733.76x = 566,863,522,070.63
  5. Step 5: Solve for x
    x = 566,863,522,070.63/859,733.76
  6. Step 6: Final answer
    x = 659,347.75

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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.