Home / 770,353.54-1,063,087.07-430,821.79

Finding the Fourth Proportional to 770,353.54, 1,063,087.07 and 430,821.79

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Solution

The fourth proportional to 770,353.54, 1,063,087.07 and 430,821.79 is: 594,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,353.54 : 1,063,087.07 = 430,821.79 : x
  2. Step 2: Convert to fraction form
    770,353.54/1,063,087.07 = 430,821.79/x
  3. Step 3: Cross multiply
    770,353.54x = 1,063,087.07 × 430,821.79
  4. Step 4: Simplify right side
    770,353.54x = 458,001,074,423.26
  5. Step 5: Solve for x
    x = 458,001,074,423.26/770,353.54
  6. Step 6: Final answer
    x = 594,533.61

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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.