Home / 936,634.32-1,292,575.32-528,657.84

Finding the Fourth Proportional to 936,634.32, 1,292,575.32 and 528,657.84

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Solution

The fourth proportional to 936,634.32, 1,292,575.32 and 528,657.84 is: 729,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,634.32 : 1,292,575.32 = 528,657.84 : x
  2. Step 2: Convert to fraction form
    936,634.32/1,292,575.32 = 528,657.84/x
  3. Step 3: Cross multiply
    936,634.32x = 1,292,575.32 × 528,657.84
  4. Step 4: Simplify right side
    936,634.32x = 683,330,076,708.51
  5. Step 5: Solve for x
    x = 683,330,076,708.51/936,634.32
  6. Step 6: Final answer
    x = 729,559.08

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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.