Home / 1,032,723.14-1,424,715.86-644,865.20

Finding the Fourth Proportional to 1,032,723.14, 1,424,715.86 and 644,865.20

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Solution

The fourth proportional to 1,032,723.14, 1,424,715.86 and 644,865.20 is: 889,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,723.14 : 1,424,715.86 = 644,865.20 : x
  2. Step 2: Convert to fraction form
    1,032,723.14/1,424,715.86 = 644,865.20/x
  3. Step 3: Cross multiply
    1,032,723.14x = 1,424,715.86 × 644,865.20
  4. Step 4: Simplify right side
    1,032,723.14x = 918,749,678,339.54
  5. Step 5: Solve for x
    x = 918,749,678,339.54/1,032,723.14
  6. Step 6: Final answer
    x = 889,637.94

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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.