Home / 917,914.90-1,376,933.10-243,986.80

Finding the Fourth Proportional to 917,914.90, 1,376,933.10 and 243,986.80

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Solution

The fourth proportional to 917,914.90, 1,376,933.10 and 243,986.80 is: 365,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,914.90 : 1,376,933.10 = 243,986.80 : x
  2. Step 2: Convert to fraction form
    917,914.90/1,376,933.10 = 243,986.80/x
  3. Step 3: Cross multiply
    917,914.90x = 1,376,933.10 × 243,986.80
  4. Step 4: Simplify right side
    917,914.90x = 335,953,500,883.08
  5. Step 5: Solve for x
    x = 335,953,500,883.08/917,914.90
  6. Step 6: Final answer
    x = 365,996.35

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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.