Home / 1,028,801.31-1,543,202.14-429,435.51

Finding the Fourth Proportional to 1,028,801.31, 1,543,202.14 and 429,435.51

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Solution

The fourth proportional to 1,028,801.31, 1,543,202.14 and 429,435.51 is: 644,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,801.31 : 1,543,202.14 = 429,435.51 : x
  2. Step 2: Convert to fraction form
    1,028,801.31/1,543,202.14 = 429,435.51/x
  3. Step 3: Cross multiply
    1,028,801.31x = 1,543,202.14 × 429,435.51
  4. Step 4: Simplify right side
    1,028,801.31x = 662,705,796,950.40
  5. Step 5: Solve for x
    x = 662,705,796,950.40/1,028,801.31
  6. Step 6: Final answer
    x = 644,153.34

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Double scale
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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.