Home / 628,494.04-867,314.44-342,009.24

Finding the Fourth Proportional to 628,494.04, 867,314.44 and 342,009.24

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Solution

The fourth proportional to 628,494.04, 867,314.44 and 342,009.24 is: 471,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,494.04 : 867,314.44 = 342,009.24 : x
  2. Step 2: Convert to fraction form
    628,494.04/867,314.44 = 342,009.24/x
  3. Step 3: Cross multiply
    628,494.04x = 867,314.44 × 342,009.24
  4. Step 4: Simplify right side
    628,494.04x = 296,629,552,465.43
  5. Step 5: Solve for x
    x = 296,629,552,465.43/628,494.04
  6. Step 6: Final answer
    x = 471,968.76

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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.