Home / 1,137,963.51-1,570,498.28-621,795.89

Finding the Fourth Proportional to 1,137,963.51, 1,570,498.28 and 621,795.89

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Solution

The fourth proportional to 1,137,963.51, 1,570,498.28 and 621,795.89 is: 858,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,963.51 : 1,570,498.28 = 621,795.89 : x
  2. Step 2: Convert to fraction form
    1,137,963.51/1,570,498.28 = 621,795.89/x
  3. Step 3: Cross multiply
    1,137,963.51x = 1,570,498.28 × 621,795.89
  4. Step 4: Simplify right side
    1,137,963.51x = 976,529,375,756.07
  5. Step 5: Solve for x
    x = 976,529,375,756.07/1,137,963.51
  6. Step 6: Final answer
    x = 858,137.69

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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.