Home / 954,783.51-1,432,220.03-315,143.07

Finding the Fourth Proportional to 954,783.51, 1,432,220.03 and 315,143.07

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Solution

The fourth proportional to 954,783.51, 1,432,220.03 and 315,143.07 is: 472,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,783.51 : 1,432,220.03 = 315,143.07 : x
  2. Step 2: Convert to fraction form
    954,783.51/1,432,220.03 = 315,143.07/x
  3. Step 3: Cross multiply
    954,783.51x = 1,432,220.03 × 315,143.07
  4. Step 4: Simplify right side
    954,783.51x = 451,354,215,593.98
  5. Step 5: Solve for x
    x = 451,354,215,593.98/954,783.51
  6. Step 6: Final answer
    x = 472,729.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.