Home / 705,629.40-973,852.04-419,150.62

Finding the Fourth Proportional to 705,629.40, 973,852.04 and 419,150.62

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Solution

The fourth proportional to 705,629.40, 973,852.04 and 419,150.62 is: 578,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,629.40 : 973,852.04 = 419,150.62 : x
  2. Step 2: Convert to fraction form
    705,629.40/973,852.04 = 419,150.62/x
  3. Step 3: Cross multiply
    705,629.40x = 973,852.04 × 419,150.62
  4. Step 4: Simplify right side
    705,629.40x = 408,190,686,354.27
  5. Step 5: Solve for x
    x = 408,190,686,354.27/705,629.40
  6. Step 6: Final answer
    x = 578,477.44

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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.