Home / 1,235,332.80-1,853,137.44-393,693.12

Finding the Fourth Proportional to 1,235,332.80, 1,853,137.44 and 393,693.12

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Solution

The fourth proportional to 1,235,332.80, 1,853,137.44 and 393,693.12 is: 590,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,332.80 : 1,853,137.44 = 393,693.12 : x
  2. Step 2: Convert to fraction form
    1,235,332.80/1,853,137.44 = 393,693.12/x
  3. Step 3: Cross multiply
    1,235,332.80x = 1,853,137.44 × 393,693.12
  4. Step 4: Simplify right side
    1,235,332.80x = 729,567,460,542.41
  5. Step 5: Solve for x
    x = 729,567,460,542.41/1,235,332.80
  6. Step 6: Final answer
    x = 590,583.74

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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.