Home / 858,459.38-1,184,678.55-536,356.26

Finding the Fourth Proportional to 858,459.38, 1,184,678.55 and 536,356.26

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Solution

The fourth proportional to 858,459.38, 1,184,678.55 and 536,356.26 is: 740,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,459.38 : 1,184,678.55 = 536,356.26 : x
  2. Step 2: Convert to fraction form
    858,459.38/1,184,678.55 = 536,356.26/x
  3. Step 3: Cross multiply
    858,459.38x = 1,184,678.55 × 536,356.26
  4. Step 4: Simplify right side
    858,459.38x = 635,409,756,380.22
  5. Step 5: Solve for x
    x = 635,409,756,380.22/858,459.38
  6. Step 6: Final answer
    x = 740,174.52

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Half scale
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Double scale
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Similar ratio
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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.