Home / 1,054,864.32-1,455,682.72-619,274.80

Finding the Fourth Proportional to 1,054,864.32, 1,455,682.72 and 619,274.80

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Solution

The fourth proportional to 1,054,864.32, 1,455,682.72 and 619,274.80 is: 854,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,864.32 : 1,455,682.72 = 619,274.80 : x
  2. Step 2: Convert to fraction form
    1,054,864.32/1,455,682.72 = 619,274.80/x
  3. Step 3: Cross multiply
    1,054,864.32x = 1,455,682.72 × 619,274.80
  4. Step 4: Simplify right side
    1,054,864.32x = 901,467,625,291.46
  5. Step 5: Solve for x
    x = 901,467,625,291.46/1,054,864.32
  6. Step 6: Final answer
    x = 854,581.59

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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.