Home / 1,008,953.16-1,391,568.05-646,410.98

Finding the Fourth Proportional to 1,008,953.16, 1,391,568.05 and 646,410.98

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Solution

The fourth proportional to 1,008,953.16, 1,391,568.05 and 646,410.98 is: 891,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,953.16 : 1,391,568.05 = 646,410.98 : x
  2. Step 2: Convert to fraction form
    1,008,953.16/1,391,568.05 = 646,410.98/x
  3. Step 3: Cross multiply
    1,008,953.16x = 1,391,568.05 × 646,410.98
  4. Step 4: Simplify right side
    1,008,953.16x = 899,524,872,032.14
  5. Step 5: Solve for x
    x = 899,524,872,032.14/1,008,953.16
  6. Step 6: Final answer
    x = 891,542.75

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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.