Home / 770,508.28-1,063,302.60-430,976.56

Finding the Fourth Proportional to 770,508.28, 1,063,302.60 and 430,976.56

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Solution

The fourth proportional to 770,508.28, 1,063,302.60 and 430,976.56 is: 594,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,508.28 : 1,063,302.60 = 430,976.56 : x
  2. Step 2: Convert to fraction form
    770,508.28/1,063,302.60 = 430,976.56/x
  3. Step 3: Cross multiply
    770,508.28x = 1,063,302.60 × 430,976.56
  4. Step 4: Simplify right side
    770,508.28x = 458,258,496,787.06
  5. Step 5: Solve for x
    x = 458,258,496,787.06/770,508.28
  6. Step 6: Final answer
    x = 594,748.31

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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.