Home / 1,076,025.51-1,611,938.51-838,254.87

Finding the Fourth Proportional to 1,076,025.51, 1,611,938.51 and 838,254.87

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Solution

The fourth proportional to 1,076,025.51, 1,611,938.51 and 838,254.87 is: 1,255,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,025.51 : 1,611,938.51 = 838,254.87 : x
  2. Step 2: Convert to fraction form
    1,076,025.51/1,611,938.51 = 838,254.87/x
  3. Step 3: Cross multiply
    1,076,025.51x = 1,611,938.51 × 838,254.87
  4. Step 4: Simplify right side
    1,076,025.51x = 1,351,215,301,956.77
  5. Step 5: Solve for x
    x = 1,351,215,301,956.77/1,076,025.51
  6. Step 6: Final answer
    x = 1,255,746.53

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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.