Home / 979,512.93-1,351,714.35-549,785.25

Finding the Fourth Proportional to 979,512.93, 1,351,714.35 and 549,785.25

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Solution

The fourth proportional to 979,512.93, 1,351,714.35 and 549,785.25 is: 758,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,512.93 : 1,351,714.35 = 549,785.25 : x
  2. Step 2: Convert to fraction form
    979,512.93/1,351,714.35 = 549,785.25/x
  3. Step 3: Cross multiply
    979,512.93x = 1,351,714.35 × 549,785.25
  4. Step 4: Simplify right side
    979,512.93x = 743,152,611,843.34
  5. Step 5: Solve for x
    x = 743,152,611,843.34/979,512.93
  6. Step 6: Final answer
    x = 758,696.07

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1.5x scale

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.