Home / 835,425.09-1,152,855.81-453,443.67

Finding the Fourth Proportional to 835,425.09, 1,152,855.81 and 453,443.67

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Solution

The fourth proportional to 835,425.09, 1,152,855.81 and 453,443.67 is: 625,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,425.09 : 1,152,855.81 = 453,443.67 : x
  2. Step 2: Convert to fraction form
    835,425.09/1,152,855.81 = 453,443.67/x
  3. Step 3: Cross multiply
    835,425.09x = 1,152,855.81 × 453,443.67
  4. Step 4: Simplify right side
    835,425.09x = 522,755,169,467.22
  5. Step 5: Solve for x
    x = 522,755,169,467.22/835,425.09
  6. Step 6: Final answer
    x = 625,735.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.