Home / 1,715,533.80-2,367,390.96-990,357

Finding the Fourth Proportional to 1,715,533.80, 2,367,390.96 and 990,357

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Solution

The fourth proportional to 1,715,533.80, 2,367,390.96 and 990,357 is: 1,366,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,533.80 : 2,367,390.96 = 990,357 : x
  2. Step 2: Convert to fraction form
    1,715,533.80/2,367,390.96 = 990,357/x
  3. Step 3: Cross multiply
    1,715,533.80x = 2,367,390.96 × 990,357
  4. Step 4: Simplify right side
    1,715,533.80x = 2,344,562,208,972.72
  5. Step 5: Solve for x
    x = 2,344,562,208,972.72/1,715,533.80
  6. Step 6: Final answer
    x = 1,366,666.29

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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.