Home / 858,006.40-1,184,190.96-476,155.84

Finding the Fourth Proportional to 858,006.40, 1,184,190.96 and 476,155.84

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Solution

The fourth proportional to 858,006.40, 1,184,190.96 and 476,155.84 is: 657,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,006.40 : 1,184,190.96 = 476,155.84 : x
  2. Step 2: Convert to fraction form
    858,006.40/1,184,190.96 = 476,155.84/x
  3. Step 3: Cross multiply
    858,006.40x = 1,184,190.96 × 476,155.84
  4. Step 4: Simplify right side
    858,006.40x = 563,859,441,279.21
  5. Step 5: Solve for x
    x = 563,859,441,279.21/858,006.40
  6. Step 6: Final answer
    x = 657,173.93

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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.