Home / 858,472.21-1,184,745.45-476,505.37

Finding the Fourth Proportional to 858,472.21, 1,184,745.45 and 476,505.37

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Solution

The fourth proportional to 858,472.21, 1,184,745.45 and 476,505.37 is: 657,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,472.21 : 1,184,745.45 = 476,505.37 : x
  2. Step 2: Convert to fraction form
    858,472.21/1,184,745.45 = 476,505.37/x
  3. Step 3: Cross multiply
    858,472.21x = 1,184,745.45 × 476,505.37
  4. Step 4: Simplify right side
    858,472.21x = 564,537,569,008.07
  5. Step 5: Solve for x
    x = 564,537,569,008.07/858,472.21
  6. Step 6: Final answer
    x = 657,607.27

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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.