Home / 1,189,435.54-1,640,674.26-705,658.08

Finding the Fourth Proportional to 1,189,435.54, 1,640,674.26 and 705,658.08

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Solution

The fourth proportional to 1,189,435.54, 1,640,674.26 and 705,658.08 is: 973,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,435.54 : 1,640,674.26 = 705,658.08 : x
  2. Step 2: Convert to fraction form
    1,189,435.54/1,640,674.26 = 705,658.08/x
  3. Step 3: Cross multiply
    1,189,435.54x = 1,640,674.26 × 705,658.08
  4. Step 4: Simplify right side
    1,189,435.54x = 1,157,755,047,125.42
  5. Step 5: Solve for x
    x = 1,157,755,047,125.42/1,189,435.54
  6. Step 6: Final answer
    x = 973,365.10

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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.