Home / 877,972.96-1,315,205.36-404,008.48

Finding the Fourth Proportional to 877,972.96, 1,315,205.36 and 404,008.48

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Solution

The fourth proportional to 877,972.96, 1,315,205.36 and 404,008.48 is: 605,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,972.96 : 1,315,205.36 = 404,008.48 : x
  2. Step 2: Convert to fraction form
    877,972.96/1,315,205.36 = 404,008.48/x
  3. Step 3: Cross multiply
    877,972.96x = 1,315,205.36 × 404,008.48
  4. Step 4: Simplify right side
    877,972.96x = 531,354,118,381.45
  5. Step 5: Solve for x
    x = 531,354,118,381.45/877,972.96
  6. Step 6: Final answer
    x = 605,205.56

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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.