Home / 505,555.56-697,801.14-314,460.36

Finding the Fourth Proportional to 505,555.56, 697,801.14 and 314,460.36

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Solution

The fourth proportional to 505,555.56, 697,801.14 and 314,460.36 is: 434,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,555.56 : 697,801.14 = 314,460.36 : x
  2. Step 2: Convert to fraction form
    505,555.56/697,801.14 = 314,460.36/x
  3. Step 3: Cross multiply
    505,555.56x = 697,801.14 × 314,460.36
  4. Step 4: Simplify right side
    505,555.56x = 219,430,797,692.81
  5. Step 5: Solve for x
    x = 219,430,797,692.81/505,555.56
  6. Step 6: Final answer
    x = 434,038.94

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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.