Home / 772,945.40-1,158,899.70-352,004.60

Finding the Fourth Proportional to 772,945.40, 1,158,899.70 and 352,004.60

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Solution

The fourth proportional to 772,945.40, 1,158,899.70 and 352,004.60 is: 527,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,945.40 : 1,158,899.70 = 352,004.60 : x
  2. Step 2: Convert to fraction form
    772,945.40/1,158,899.70 = 352,004.60/x
  3. Step 3: Cross multiply
    772,945.40x = 1,158,899.70 × 352,004.60
  4. Step 4: Simplify right side
    772,945.40x = 407,938,025,338.62
  5. Step 5: Solve for x
    x = 407,938,025,338.62/772,945.40
  6. Step 6: Final answer
    x = 527,770.82

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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.