Home / 717,681.12-1,076,516.28-185,156.88

Finding the Fourth Proportional to 717,681.12, 1,076,516.28 and 185,156.88

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Solution

The fourth proportional to 717,681.12, 1,076,516.28 and 185,156.88 is: 277,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,681.12 : 1,076,516.28 = 185,156.88 : x
  2. Step 2: Convert to fraction form
    717,681.12/1,076,516.28 = 185,156.88/x
  3. Step 3: Cross multiply
    717,681.12x = 1,076,516.28 × 185,156.88
  4. Step 4: Simplify right side
    717,681.12x = 199,324,395,674.01
  5. Step 5: Solve for x
    x = 199,324,395,674.01/717,681.12
  6. Step 6: Final answer
    x = 277,733.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.