Home / 1,326,976.74-1,990,594.56-528,071.76

Finding the Fourth Proportional to 1,326,976.74, 1,990,594.56 and 528,071.76

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Solution

The fourth proportional to 1,326,976.74, 1,990,594.56 and 528,071.76 is: 792,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,976.74 : 1,990,594.56 = 528,071.76 : x
  2. Step 2: Convert to fraction form
    1,326,976.74/1,990,594.56 = 528,071.76/x
  3. Step 3: Cross multiply
    1,326,976.74x = 1,990,594.56 × 528,071.76
  4. Step 4: Simplify right side
    1,326,976.74x = 1,051,176,772,745.63
  5. Step 5: Solve for x
    x = 1,051,176,772,745.63/1,326,976.74
  6. Step 6: Final answer
    x = 792,159.15

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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.