Home / 1,357,710.39-1,872,809.26-806,051.67

Finding the Fourth Proportional to 1,357,710.39, 1,872,809.26 and 806,051.67

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Solution

The fourth proportional to 1,357,710.39, 1,872,809.26 and 806,051.67 is: 1,111,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,710.39 : 1,872,809.26 = 806,051.67 : x
  2. Step 2: Convert to fraction form
    1,357,710.39/1,872,809.26 = 806,051.67/x
  3. Step 3: Cross multiply
    1,357,710.39x = 1,872,809.26 × 806,051.67
  4. Step 4: Simplify right side
    1,357,710.39x = 1,509,581,037,628.05
  5. Step 5: Solve for x
    x = 1,509,581,037,628.05/1,357,710.39
  6. Step 6: Final answer
    x = 1,111,857.91

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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.