Home / 977,116.70-1,463,601.45-811,228.70

Finding the Fourth Proportional to 977,116.70, 1,463,601.45 and 811,228.70

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Solution

The fourth proportional to 977,116.70, 1,463,601.45 and 811,228.70 is: 1,215,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,116.70 : 1,463,601.45 = 811,228.70 : x
  2. Step 2: Convert to fraction form
    977,116.70/1,463,601.45 = 811,228.70/x
  3. Step 3: Cross multiply
    977,116.70x = 1,463,601.45 × 811,228.70
  4. Step 4: Simplify right side
    977,116.70x = 1,187,315,501,601.62
  5. Step 5: Solve for x
    x = 1,187,315,501,601.62/977,116.70
  6. Step 6: Final answer
    x = 1,215,121.49

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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.