Home / 1,113,444.81-1,668,678.26-579,845.61

Finding the Fourth Proportional to 1,113,444.81, 1,668,678.26 and 579,845.61

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Solution

The fourth proportional to 1,113,444.81, 1,668,678.26 and 579,845.61 is: 868,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,444.81 : 1,668,678.26 = 579,845.61 : x
  2. Step 2: Convert to fraction form
    1,113,444.81/1,668,678.26 = 579,845.61/x
  3. Step 3: Cross multiply
    1,113,444.81x = 1,668,678.26 × 579,845.61
  4. Step 4: Simplify right side
    1,113,444.81x = 967,575,760,664.21
  5. Step 5: Solve for x
    x = 967,575,760,664.21/1,113,444.81
  6. Step 6: Final answer
    x = 868,993.01

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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.