Home / 858,419.01-1,184,741.55-514,269.72

Finding the Fourth Proportional to 858,419.01, 1,184,741.55 and 514,269.72

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Solution

The fourth proportional to 858,419.01, 1,184,741.55 and 514,269.72 is: 709,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,419.01 : 1,184,741.55 = 514,269.72 : x
  2. Step 2: Convert to fraction form
    858,419.01/1,184,741.55 = 514,269.72/x
  3. Step 3: Cross multiply
    858,419.01x = 1,184,741.55 × 514,269.72
  4. Step 4: Simplify right side
    858,419.01x = 609,276,705,190.87
  5. Step 5: Solve for x
    x = 609,276,705,190.87/858,419.01
  6. Step 6: Final answer
    x = 709,766.09

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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.