Home / 1,047,787.80-1,570,644.90-514,872.60

Finding the Fourth Proportional to 1,047,787.80, 1,570,644.90 and 514,872.60

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Solution

The fourth proportional to 1,047,787.80, 1,570,644.90 and 514,872.60 is: 771,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,787.80 : 1,570,644.90 = 514,872.60 : x
  2. Step 2: Convert to fraction form
    1,047,787.80/1,570,644.90 = 514,872.60/x
  3. Step 3: Cross multiply
    1,047,787.80x = 1,570,644.90 × 514,872.60
  4. Step 4: Simplify right side
    1,047,787.80x = 808,682,023,339.74
  5. Step 5: Solve for x
    x = 808,682,023,339.74/1,047,787.80
  6. Step 6: Final answer
    x = 771,799.43

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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.