Home / 835,645.76-1,253,148.74-355,573.26

Finding the Fourth Proportional to 835,645.76, 1,253,148.74 and 355,573.26

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Solution

The fourth proportional to 835,645.76, 1,253,148.74 and 355,573.26 is: 533,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,645.76 : 1,253,148.74 = 355,573.26 : x
  2. Step 2: Convert to fraction form
    835,645.76/1,253,148.74 = 355,573.26/x
  3. Step 3: Cross multiply
    835,645.76x = 1,253,148.74 × 355,573.26
  4. Step 4: Simplify right side
    835,645.76x = 445,586,182,746.69
  5. Step 5: Solve for x
    x = 445,586,182,746.69/835,645.76
  6. Step 6: Final answer
    x = 533,223.77

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Double scale
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Similar ratio
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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.