Home / 1,004,784.90-1,507,153.05-605,122.80

Finding the Fourth Proportional to 1,004,784.90, 1,507,153.05 and 605,122.80

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Solution

The fourth proportional to 1,004,784.90, 1,507,153.05 and 605,122.80 is: 907,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,784.90 : 1,507,153.05 = 605,122.80 : x
  2. Step 2: Convert to fraction form
    1,004,784.90/1,507,153.05 = 605,122.80/x
  3. Step 3: Cross multiply
    1,004,784.90x = 1,507,153.05 × 605,122.80
  4. Step 4: Simplify right side
    1,004,784.90x = 912,012,673,644.54
  5. Step 5: Solve for x
    x = 912,012,673,644.54/1,004,784.90
  6. Step 6: Final answer
    x = 907,669.57

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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.