Home / 1,426,040.60-2,139,330.62-573,178.64

Finding the Fourth Proportional to 1,426,040.60, 2,139,330.62 and 573,178.64

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Solution

The fourth proportional to 1,426,040.60, 2,139,330.62 and 573,178.64 is: 859,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,040.60 : 2,139,330.62 = 573,178.64 : x
  2. Step 2: Convert to fraction form
    1,426,040.60/2,139,330.62 = 573,178.64/x
  3. Step 3: Cross multiply
    1,426,040.60x = 2,139,330.62 × 573,178.64
  4. Step 4: Simplify right side
    1,426,040.60x = 1,226,218,606,018.25
  5. Step 5: Solve for x
    x = 1,226,218,606,018.25/1,426,040.60
  6. Step 6: Final answer
    x = 859,876.37

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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.