Home / 770,352.54-1,063,085.69-430,820.79

Finding the Fourth Proportional to 770,352.54, 1,063,085.69 and 430,820.79

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Solution

The fourth proportional to 770,352.54, 1,063,085.69 and 430,820.79 is: 594,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,352.54 : 1,063,085.69 = 430,820.79 : x
  2. Step 2: Convert to fraction form
    770,352.54/1,063,085.69 = 430,820.79/x
  3. Step 3: Cross multiply
    770,352.54x = 1,063,085.69 × 430,820.79
  4. Step 4: Simplify right side
    770,352.54x = 457,999,413,893.98
  5. Step 5: Solve for x
    x = 457,999,413,893.98/770,352.54
  6. Step 6: Final answer
    x = 594,532.23

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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.