Home / 1,239,360.77-1,858,647.48-397,715.69

Finding the Fourth Proportional to 1,239,360.77, 1,858,647.48 and 397,715.69

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Solution

The fourth proportional to 1,239,360.77, 1,858,647.48 and 397,715.69 is: 596,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,360.77 : 1,858,647.48 = 397,715.69 : x
  2. Step 2: Convert to fraction form
    1,239,360.77/1,858,647.48 = 397,715.69/x
  3. Step 3: Cross multiply
    1,239,360.77x = 1,858,647.48 × 397,715.69
  4. Step 4: Simplify right side
    1,239,360.77x = 739,213,255,681.72
  5. Step 5: Solve for x
    x = 739,213,255,681.72/1,239,360.77
  6. Step 6: Final answer
    x = 596,447.20

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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.