Home / 692,009.19-955,365.03-450,170.73

Finding the Fourth Proportional to 692,009.19, 955,365.03 and 450,170.73

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Solution

The fourth proportional to 692,009.19, 955,365.03 and 450,170.73 is: 621,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,009.19 : 955,365.03 = 450,170.73 : x
  2. Step 2: Convert to fraction form
    692,009.19/955,365.03 = 450,170.73/x
  3. Step 3: Cross multiply
    692,009.19x = 955,365.03 × 450,170.73
  4. Step 4: Simplify right side
    692,009.19x = 430,077,372,971.57
  5. Step 5: Solve for x
    x = 430,077,372,971.57/692,009.19
  6. Step 6: Final answer
    x = 621,490.84

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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.