Home / 938,357.74-1,296,009.85-617,500.24

Finding the Fourth Proportional to 938,357.74, 1,296,009.85 and 617,500.24

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Solution

The fourth proportional to 938,357.74, 1,296,009.85 and 617,500.24 is: 852,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,357.74 : 1,296,009.85 = 617,500.24 : x
  2. Step 2: Convert to fraction form
    938,357.74/1,296,009.85 = 617,500.24/x
  3. Step 3: Cross multiply
    938,357.74x = 1,296,009.85 × 617,500.24
  4. Step 4: Simplify right side
    938,357.74x = 800,286,393,417.36
  5. Step 5: Solve for x
    x = 800,286,393,417.36/938,357.74
  6. Step 6: Final answer
    x = 852,858.52

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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.