Home / 858,004.90-1,184,188.89-476,154.34

Finding the Fourth Proportional to 858,004.90, 1,184,188.89 and 476,154.34

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Solution

The fourth proportional to 858,004.90, 1,184,188.89 and 476,154.34 is: 657,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,004.90 : 1,184,188.89 = 476,154.34 : x
  2. Step 2: Convert to fraction form
    858,004.90/1,184,188.89 = 476,154.34/x
  3. Step 3: Cross multiply
    858,004.90x = 1,184,188.89 × 476,154.34
  4. Step 4: Simplify right side
    858,004.90x = 563,856,679,353.28
  5. Step 5: Solve for x
    x = 563,856,679,353.28/858,004.90
  6. Step 6: Final answer
    x = 657,171.86

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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.