Home / 705,788.32-973,878.24-419,301.04

Finding the Fourth Proportional to 705,788.32, 973,878.24 and 419,301.04

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Solution

The fourth proportional to 705,788.32, 973,878.24 and 419,301.04 is: 578,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,788.32 : 973,878.24 = 419,301.04 : x
  2. Step 2: Convert to fraction form
    705,788.32/973,878.24 = 419,301.04/x
  3. Step 3: Cross multiply
    705,788.32x = 973,878.24 × 419,301.04
  4. Step 4: Simplify right side
    705,788.32x = 408,348,158,865.37
  5. Step 5: Solve for x
    x = 408,348,158,865.37/705,788.32
  6. Step 6: Final answer
    x = 578,570.30

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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.