Home / 858,526.70-1,184,771.43-536,423.60

Finding the Fourth Proportional to 858,526.70, 1,184,771.43 and 536,423.60

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Solution

The fourth proportional to 858,526.70, 1,184,771.43 and 536,423.60 is: 740,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,526.70 : 1,184,771.43 = 536,423.60 : x
  2. Step 2: Convert to fraction form
    858,526.70/1,184,771.43 = 536,423.60/x
  3. Step 3: Cross multiply
    858,526.70x = 1,184,771.43 × 536,423.60
  4. Step 4: Simplify right side
    858,526.70x = 635,539,355,657.75
  5. Step 5: Solve for x
    x = 635,539,355,657.75/858,526.70
  6. Step 6: Final answer
    x = 740,267.43

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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.