Home / 907,286.10-1,361,447.55-346,722.90

Finding the Fourth Proportional to 907,286.10, 1,361,447.55 and 346,722.90

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Solution

The fourth proportional to 907,286.10, 1,361,447.55 and 346,722.90 is: 520,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,286.10 : 1,361,447.55 = 346,722.90 : x
  2. Step 2: Convert to fraction form
    907,286.10/1,361,447.55 = 346,722.90/x
  3. Step 3: Cross multiply
    907,286.10x = 1,361,447.55 × 346,722.90
  4. Step 4: Simplify right side
    907,286.10x = 472,045,042,733.90
  5. Step 5: Solve for x
    x = 472,045,042,733.90/907,286.10
  6. Step 6: Final answer
    x = 520,282.46

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Double scale
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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.