Home / 863,486.69-1,295,666.78-575,494.84

Finding the Fourth Proportional to 863,486.69, 1,295,666.78 and 575,494.84

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Solution

The fourth proportional to 863,486.69, 1,295,666.78 and 575,494.84 is: 863,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,486.69 : 1,295,666.78 = 575,494.84 : x
  2. Step 2: Convert to fraction form
    863,486.69/1,295,666.78 = 575,494.84/x
  3. Step 3: Cross multiply
    863,486.69x = 1,295,666.78 × 575,494.84
  4. Step 4: Simplify right side
    863,486.69x = 745,649,546,249.42
  5. Step 5: Solve for x
    x = 745,649,546,249.42/863,486.69
  6. Step 6: Final answer
    x = 863,533.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.