Home / 780,184.98-1,076,642.55-436,025.70

Finding the Fourth Proportional to 780,184.98, 1,076,642.55 and 436,025.70

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Solution

The fourth proportional to 780,184.98, 1,076,642.55 and 436,025.70 is: 601,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,184.98 : 1,076,642.55 = 436,025.70 : x
  2. Step 2: Convert to fraction form
    780,184.98/1,076,642.55 = 436,025.70/x
  3. Step 3: Cross multiply
    780,184.98x = 1,076,642.55 × 436,025.70
  4. Step 4: Simplify right side
    780,184.98x = 469,443,821,513.54
  5. Step 5: Solve for x
    x = 469,443,821,513.54/780,184.98
  6. Step 6: Final answer
    x = 601,708.36

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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.