Home / 770,358.26-1,063,090.76-430,827.86

Finding the Fourth Proportional to 770,358.26, 1,063,090.76 and 430,827.86

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Solution

The fourth proportional to 770,358.26, 1,063,090.76 and 430,827.86 is: 594,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,358.26 : 1,063,090.76 = 430,827.86 : x
  2. Step 2: Convert to fraction form
    770,358.26/1,063,090.76 = 430,827.86/x
  3. Step 3: Cross multiply
    770,358.26x = 1,063,090.76 × 430,827.86
  4. Step 4: Simplify right side
    770,358.26x = 458,009,117,116.57
  5. Step 5: Solve for x
    x = 458,009,117,116.57/770,358.26
  6. Step 6: Final answer
    x = 594,540.41

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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.