Home / 858,008.40-1,184,193.72-476,157.84

Finding the Fourth Proportional to 858,008.40, 1,184,193.72 and 476,157.84

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Solution

The fourth proportional to 858,008.40, 1,184,193.72 and 476,157.84 is: 657,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,008.40 : 1,184,193.72 = 476,157.84 : x
  2. Step 2: Convert to fraction form
    858,008.40/1,184,193.72 = 476,157.84/x
  3. Step 3: Cross multiply
    858,008.40x = 1,184,193.72 × 476,157.84
  4. Step 4: Simplify right side
    858,008.40x = 563,863,123,856.77
  5. Step 5: Solve for x
    x = 563,863,123,856.77/858,008.40
  6. Step 6: Final answer
    x = 657,176.69

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Double scale
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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.