Home / 1,014,231.78-1,399,683.60-561,522.78

Finding the Fourth Proportional to 1,014,231.78, 1,399,683.60 and 561,522.78

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Solution

The fourth proportional to 1,014,231.78, 1,399,683.60 and 561,522.78 is: 774,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,231.78 : 1,399,683.60 = 561,522.78 : x
  2. Step 2: Convert to fraction form
    1,014,231.78/1,399,683.60 = 561,522.78/x
  3. Step 3: Cross multiply
    1,014,231.78x = 1,399,683.60 × 561,522.78
  4. Step 4: Simplify right side
    1,014,231.78x = 785,954,226,192.41
  5. Step 5: Solve for x
    x = 785,954,226,192.41/1,014,231.78
  6. Step 6: Final answer
    x = 774,925.65

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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.