Home / 936,271.98-1,292,054.90-528,459.36

Finding the Fourth Proportional to 936,271.98, 1,292,054.90 and 528,459.36

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Solution

The fourth proportional to 936,271.98, 1,292,054.90 and 528,459.36 is: 729,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,271.98 : 1,292,054.90 = 528,459.36 : x
  2. Step 2: Convert to fraction form
    936,271.98/1,292,054.90 = 528,459.36/x
  3. Step 3: Cross multiply
    936,271.98x = 1,292,054.90 × 528,459.36
  4. Step 4: Simplify right side
    936,271.98x = 682,798,498,051.36
  5. Step 5: Solve for x
    x = 682,798,498,051.36/936,271.98
  6. Step 6: Final answer
    x = 729,273.66

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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.