Home / 780,182.01-1,076,671.44-457,905.69

Finding the Fourth Proportional to 780,182.01, 1,076,671.44 and 457,905.69

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Solution

The fourth proportional to 780,182.01, 1,076,671.44 and 457,905.69 is: 631,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,182.01 : 1,076,671.44 = 457,905.69 : x
  2. Step 2: Convert to fraction form
    780,182.01/1,076,671.44 = 457,905.69/x
  3. Step 3: Cross multiply
    780,182.01x = 1,076,671.44 × 457,905.69
  4. Step 4: Simplify right side
    780,182.01x = 493,013,978,636.49
  5. Step 5: Solve for x
    x = 493,013,978,636.49/780,182.01
  6. Step 6: Final answer
    x = 631,921.75

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1.5x scale

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.