Home / 717,811.70-1,076,458.35-362,707.70

Finding the Fourth Proportional to 717,811.70, 1,076,458.35 and 362,707.70

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Solution

The fourth proportional to 717,811.70, 1,076,458.35 and 362,707.70 is: 543,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,811.70 : 1,076,458.35 = 362,707.70 : x
  2. Step 2: Convert to fraction form
    717,811.70/1,076,458.35 = 362,707.70/x
  3. Step 3: Cross multiply
    717,811.70x = 1,076,458.35 × 362,707.70
  4. Step 4: Simplify right side
    717,811.70x = 390,439,732,274.30
  5. Step 5: Solve for x
    x = 390,439,732,274.30/717,811.70
  6. Step 6: Final answer
    x = 543,930.58

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1.5x scale

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.