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Finding the Fourth Proportional to 1,153,338.48, 1,591,695 and 848,809.08

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Solution

The fourth proportional to 1,153,338.48, 1,591,695 and 848,809.08 is: 1,171,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,338.48 : 1,591,695 = 848,809.08 : x
  2. Step 2: Convert to fraction form
    1,153,338.48/1,591,695 = 848,809.08/x
  3. Step 3: Cross multiply
    1,153,338.48x = 1,591,695 × 848,809.08
  4. Step 4: Simplify right side
    1,153,338.48x = 1,351,045,168,590.60
  5. Step 5: Solve for x
    x = 1,351,045,168,590.60/1,153,338.48
  6. Step 6: Final answer
    x = 1,171,421.22

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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.