Home / 1,692,135-2,335,146.30-928,190.39

Finding the Fourth Proportional to 1,692,135, 2,335,146.30 and 928,190.39

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Solution

The fourth proportional to 1,692,135, 2,335,146.30 and 928,190.39 is: 1,280,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,135 : 2,335,146.30 = 928,190.39 : x
  2. Step 2: Convert to fraction form
    1,692,135/2,335,146.30 = 928,190.39/x
  3. Step 3: Cross multiply
    1,692,135x = 2,335,146.30 × 928,190.39
  4. Step 4: Simplify right side
    1,692,135x = 2,167,460,354,904.06
  5. Step 5: Solve for x
    x = 2,167,460,354,904.06/1,692,135
  6. Step 6: Final answer
    x = 1,280,902.74

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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.