Home / 1,119,509.03-1,544,922.87-636,074.81

Finding the Fourth Proportional to 1,119,509.03, 1,544,922.87 and 636,074.81

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Solution

The fourth proportional to 1,119,509.03, 1,544,922.87 and 636,074.81 is: 877,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,509.03 : 1,544,922.87 = 636,074.81 : x
  2. Step 2: Convert to fraction form
    1,119,509.03/1,544,922.87 = 636,074.81/x
  3. Step 3: Cross multiply
    1,119,509.03x = 1,544,922.87 × 636,074.81
  4. Step 4: Simplify right side
    1,119,509.03x = 982,686,513,275.29
  5. Step 5: Solve for x
    x = 982,686,513,275.29/1,119,509.03
  6. Step 6: Final answer
    x = 877,783.47

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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.