Home / 907,422.60-1,361,652.30-346,859.40

Finding the Fourth Proportional to 907,422.60, 1,361,652.30 and 346,859.40

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Solution

The fourth proportional to 907,422.60, 1,361,652.30 and 346,859.40 is: 520,487.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,422.60 : 1,361,652.30 = 346,859.40 : x
  2. Step 2: Convert to fraction form
    907,422.60/1,361,652.30 = 346,859.40/x
  3. Step 3: Cross multiply
    907,422.60x = 1,361,652.30 × 346,859.40
  4. Step 4: Simplify right side
    907,422.60x = 472,301,899,786.62
  5. Step 5: Solve for x
    x = 472,301,899,786.62/907,422.60
  6. Step 6: Final answer
    x = 520,487.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.