Home / 840,627.63-1,160,060.16-478,051.44

Finding the Fourth Proportional to 840,627.63, 1,160,060.16 and 478,051.44

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Solution

The fourth proportional to 840,627.63, 1,160,060.16 and 478,051.44 is: 659,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,627.63 : 1,160,060.16 = 478,051.44 : x
  2. Step 2: Convert to fraction form
    840,627.63/1,160,060.16 = 478,051.44/x
  3. Step 3: Cross multiply
    840,627.63x = 1,160,060.16 × 478,051.44
  4. Step 4: Simplify right side
    840,627.63x = 554,568,429,974.63
  5. Step 5: Solve for x
    x = 554,568,429,974.63/840,627.63
  6. Step 6: Final answer
    x = 659,707.59

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Double scale
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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.