Home / 756,845.81-1,044,700.23-451,018.16

Finding the Fourth Proportional to 756,845.81, 1,044,700.23 and 451,018.16

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Solution

The fourth proportional to 756,845.81, 1,044,700.23 and 451,018.16 is: 622,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,845.81 : 1,044,700.23 = 451,018.16 : x
  2. Step 2: Convert to fraction form
    756,845.81/1,044,700.23 = 451,018.16/x
  3. Step 3: Cross multiply
    756,845.81x = 1,044,700.23 × 451,018.16
  4. Step 4: Simplify right side
    756,845.81x = 471,178,775,871.62
  5. Step 5: Solve for x
    x = 471,178,775,871.62/756,845.81
  6. Step 6: Final answer
    x = 622,555.84

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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.