Home / 858,389.58-1,184,632.98-476,416.37

Finding the Fourth Proportional to 858,389.58, 1,184,632.98 and 476,416.37

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Solution

The fourth proportional to 858,389.58, 1,184,632.98 and 476,416.37 is: 657,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,389.58 : 1,184,632.98 = 476,416.37 : x
  2. Step 2: Convert to fraction form
    858,389.58/1,184,632.98 = 476,416.37/x
  3. Step 3: Cross multiply
    858,389.58x = 1,184,632.98 × 476,416.37
  4. Step 4: Simplify right side
    858,389.58x = 564,378,538,190.72
  5. Step 5: Solve for x
    x = 564,378,538,190.72/858,389.58
  6. Step 6: Final answer
    x = 657,485.31

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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.