Home / 913,170.93-1,259,890.25-550,705.65

Finding the Fourth Proportional to 913,170.93, 1,259,890.25 and 550,705.65

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Solution

The fourth proportional to 913,170.93, 1,259,890.25 and 550,705.65 is: 759,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,170.93 : 1,259,890.25 = 550,705.65 : x
  2. Step 2: Convert to fraction form
    913,170.93/1,259,890.25 = 550,705.65/x
  3. Step 3: Cross multiply
    913,170.93x = 1,259,890.25 × 550,705.65
  4. Step 4: Simplify right side
    913,170.93x = 693,828,676,301.38
  5. Step 5: Solve for x
    x = 693,828,676,301.38/913,170.93
  6. Step 6: Final answer
    x = 759,801.54

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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.