Home / 673,705.60-1,010,558.40-611,704.15

Finding the Fourth Proportional to 673,705.60, 1,010,558.40 and 611,704.15

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Solution

The fourth proportional to 673,705.60, 1,010,558.40 and 611,704.15 is: 917,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,705.60 : 1,010,558.40 = 611,704.15 : x
  2. Step 2: Convert to fraction form
    673,705.60/1,010,558.40 = 611,704.15/x
  3. Step 3: Cross multiply
    673,705.60x = 1,010,558.40 × 611,704.15
  4. Step 4: Simplify right side
    673,705.60x = 618,162,767,097.36
  5. Step 5: Solve for x
    x = 618,162,767,097.36/673,705.60
  6. Step 6: Final answer
    x = 917,556.23

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Double scale
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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.