Home / 626,905.96-940,518.06-290,189.32

Finding the Fourth Proportional to 626,905.96, 940,518.06 and 290,189.32

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Solution

The fourth proportional to 626,905.96, 940,518.06 and 290,189.32 is: 435,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,905.96 : 940,518.06 = 290,189.32 : x
  2. Step 2: Convert to fraction form
    626,905.96/940,518.06 = 290,189.32/x
  3. Step 3: Cross multiply
    626,905.96x = 940,518.06 × 290,189.32
  4. Step 4: Simplify right side
    626,905.96x = 272,928,296,279.12
  5. Step 5: Solve for x
    x = 272,928,296,279.12/626,905.96
  6. Step 6: Final answer
    x = 435,357.64

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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.