Home / 700,641.51-1,052,230.73-644,380.94

Finding the Fourth Proportional to 700,641.51, 1,052,230.73 and 644,380.94

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Solution

The fourth proportional to 700,641.51, 1,052,230.73 and 644,380.94 is: 967,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,641.51 : 1,052,230.73 = 644,380.94 : x
  2. Step 2: Convert to fraction form
    700,641.51/1,052,230.73 = 644,380.94/x
  3. Step 3: Cross multiply
    700,641.51x = 1,052,230.73 × 644,380.94
  4. Step 4: Simplify right side
    700,641.51x = 678,037,418,411.23
  5. Step 5: Solve for x
    x = 678,037,418,411.23/700,641.51
  6. Step 6: Final answer
    x = 967,738.01

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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.