Home / 877,009.60-1,315,639.11-269,848.26

Finding the Fourth Proportional to 877,009.60, 1,315,639.11 and 269,848.26

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Solution

The fourth proportional to 877,009.60, 1,315,639.11 and 269,848.26 is: 404,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,009.60 : 1,315,639.11 = 269,848.26 : x
  2. Step 2: Convert to fraction form
    877,009.60/1,315,639.11 = 269,848.26/x
  3. Step 3: Cross multiply
    877,009.60x = 1,315,639.11 × 269,848.26
  4. Step 4: Simplify right side
    877,009.60x = 355,022,924,115.48
  5. Step 5: Solve for x
    x = 355,022,924,115.48/877,009.60
  6. Step 6: Final answer
    x = 404,810.76

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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.