Home / 1,028,029.86-1,419,325.20-660,655.98

Finding the Fourth Proportional to 1,028,029.86, 1,419,325.20 and 660,655.98

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Solution

The fourth proportional to 1,028,029.86, 1,419,325.20 and 660,655.98 is: 912,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,029.86 : 1,419,325.20 = 660,655.98 : x
  2. Step 2: Convert to fraction form
    1,028,029.86/1,419,325.20 = 660,655.98/x
  3. Step 3: Cross multiply
    1,028,029.86x = 1,419,325.20 × 660,655.98
  4. Step 4: Simplify right side
    1,028,029.86x = 937,685,680,944.70
  5. Step 5: Solve for x
    x = 937,685,680,944.70/1,028,029.86
  6. Step 6: Final answer
    x = 912,119.11

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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.