Home / 913,189.04-1,260,307.32-531,231.92

Finding the Fourth Proportional to 913,189.04, 1,260,307.32 and 531,231.92

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Solution

The fourth proportional to 913,189.04, 1,260,307.32 and 531,231.92 is: 733,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,189.04 : 1,260,307.32 = 531,231.92 : x
  2. Step 2: Convert to fraction form
    913,189.04/1,260,307.32 = 531,231.92/x
  3. Step 3: Cross multiply
    913,189.04x = 1,260,307.32 × 531,231.92
  4. Step 4: Simplify right side
    913,189.04x = 669,515,477,393.66
  5. Step 5: Solve for x
    x = 669,515,477,393.66/913,189.04
  6. Step 6: Final answer
    x = 733,161.97

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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.