Home / 1,785,720.15-2,464,311.89-969,939.77

Finding the Fourth Proportional to 1,785,720.15, 2,464,311.89 and 969,939.77

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Solution

The fourth proportional to 1,785,720.15, 2,464,311.89 and 969,939.77 is: 1,338,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,720.15 : 2,464,311.89 = 969,939.77 : x
  2. Step 2: Convert to fraction form
    1,785,720.15/2,464,311.89 = 969,939.77/x
  3. Step 3: Cross multiply
    1,785,720.15x = 2,464,311.89 × 969,939.77
  4. Step 4: Simplify right side
    1,785,720.15x = 2,390,234,097,898.16
  5. Step 5: Solve for x
    x = 2,390,234,097,898.16/1,785,720.15
  6. Step 6: Final answer
    x = 1,338,526.70

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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.