Home / 1,691,144.79-2,333,802.74-927,196.71

Finding the Fourth Proportional to 1,691,144.79, 2,333,802.74 and 927,196.71

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Solution

The fourth proportional to 1,691,144.79, 2,333,802.74 and 927,196.71 is: 1,279,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,144.79 : 2,333,802.74 = 927,196.71 : x
  2. Step 2: Convert to fraction form
    1,691,144.79/2,333,802.74 = 927,196.71/x
  3. Step 3: Cross multiply
    1,691,144.79x = 2,333,802.74 × 927,196.71
  4. Step 4: Simplify right side
    1,691,144.79x = 2,163,894,217,681.00
  5. Step 5: Solve for x
    x = 2,163,894,217,681.00/1,691,144.79
  6. Step 6: Final answer
    x = 1,279,544.03

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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.