Home / 907,475.60-1,361,731.80-346,912.40

Finding the Fourth Proportional to 907,475.60, 1,361,731.80 and 346,912.40

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Solution

The fourth proportional to 907,475.60, 1,361,731.80 and 346,912.40 is: 520,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,475.60 : 1,361,731.80 = 346,912.40 : x
  2. Step 2: Convert to fraction form
    907,475.60/1,361,731.80 = 346,912.40/x
  3. Step 3: Cross multiply
    907,475.60x = 1,361,731.80 × 346,912.40
  4. Step 4: Simplify right side
    907,475.60x = 472,401,646,894.32
  5. Step 5: Solve for x
    x = 472,401,646,894.32/907,475.60
  6. Step 6: Final answer
    x = 520,566.78

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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.