Home / 1,038,357-1,557,703.98-406,928.52

Finding the Fourth Proportional to 1,038,357, 1,557,703.98 and 406,928.52

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Solution

The fourth proportional to 1,038,357, 1,557,703.98 and 406,928.52 is: 610,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,357 : 1,557,703.98 = 406,928.52 : x
  2. Step 2: Convert to fraction form
    1,038,357/1,557,703.98 = 406,928.52/x
  3. Step 3: Cross multiply
    1,038,357x = 1,557,703.98 × 406,928.52
  4. Step 4: Simplify right side
    1,038,357x = 633,874,175,179.51
  5. Step 5: Solve for x
    x = 633,874,175,179.51/1,038,357
  6. Step 6: Final answer
    x = 610,458.81

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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.