Home / 1,018,849.79-1,405,427.24-636,212.27

Finding the Fourth Proportional to 1,018,849.79, 1,405,427.24 and 636,212.27

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Solution

The fourth proportional to 1,018,849.79, 1,405,427.24 and 636,212.27 is: 877,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,849.79 : 1,405,427.24 = 636,212.27 : x
  2. Step 2: Convert to fraction form
    1,018,849.79/1,405,427.24 = 636,212.27/x
  3. Step 3: Cross multiply
    1,018,849.79x = 1,405,427.24 × 636,212.27
  4. Step 4: Simplify right side
    1,018,849.79x = 894,150,056,205.64
  5. Step 5: Solve for x
    x = 894,150,056,205.64/1,018,849.79
  6. Step 6: Final answer
    x = 877,607.34

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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.