Home / 988,856.50-1,483,210.23-314,910.58

Finding the Fourth Proportional to 988,856.50, 1,483,210.23 and 314,910.58

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Solution

The fourth proportional to 988,856.50, 1,483,210.23 and 314,910.58 is: 472,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,856.50 : 1,483,210.23 = 314,910.58 : x
  2. Step 2: Convert to fraction form
    988,856.50/1,483,210.23 = 314,910.58/x
  3. Step 3: Cross multiply
    988,856.50x = 1,483,210.23 × 314,910.58
  4. Step 4: Simplify right side
    988,856.50x = 467,078,593,791.23
  5. Step 5: Solve for x
    x = 467,078,593,791.23/988,856.50
  6. Step 6: Final answer
    x = 472,342.14

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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.