Home / 717,017.38-1,076,191.08-362,280.52

Finding the Fourth Proportional to 717,017.38, 1,076,191.08 and 362,280.52

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Solution

The fourth proportional to 717,017.38, 1,076,191.08 and 362,280.52 is: 543,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,017.38 : 1,076,191.08 = 362,280.52 : x
  2. Step 2: Convert to fraction form
    717,017.38/1,076,191.08 = 362,280.52/x
  3. Step 3: Cross multiply
    717,017.38x = 1,076,191.08 × 362,280.52
  4. Step 4: Simplify right side
    717,017.38x = 389,883,064,081.76
  5. Step 5: Solve for x
    x = 389,883,064,081.76/717,017.38
  6. Step 6: Final answer
    x = 543,756.78

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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.