Home / 1,133,115.40-1,699,749.90-385,217.80

Finding the Fourth Proportional to 1,133,115.40, 1,699,749.90 and 385,217.80

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Solution

The fourth proportional to 1,133,115.40, 1,699,749.90 and 385,217.80 is: 577,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,115.40 : 1,699,749.90 = 385,217.80 : x
  2. Step 2: Convert to fraction form
    1,133,115.40/1,699,749.90 = 385,217.80/x
  3. Step 3: Cross multiply
    1,133,115.40x = 1,699,749.90 × 385,217.80
  4. Step 4: Simplify right side
    1,133,115.40x = 654,773,917,028.22
  5. Step 5: Solve for x
    x = 654,773,917,028.22/1,133,115.40
  6. Step 6: Final answer
    x = 577,852.81

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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.