Home / 1,839,259.60-2,758,975.80-577,128.40

Finding the Fourth Proportional to 1,839,259.60, 2,758,975.80 and 577,128.40

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Solution

The fourth proportional to 1,839,259.60, 2,758,975.80 and 577,128.40 is: 865,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,259.60 : 2,758,975.80 = 577,128.40 : x
  2. Step 2: Convert to fraction form
    1,839,259.60/2,758,975.80 = 577,128.40/x
  3. Step 3: Cross multiply
    1,839,259.60x = 2,758,975.80 × 577,128.40
  4. Step 4: Simplify right side
    1,839,259.60x = 1,592,283,289,092.72
  5. Step 5: Solve for x
    x = 1,592,283,289,092.72/1,839,259.60
  6. Step 6: Final answer
    x = 865,719.71

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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.