Home / 1,055,476.85-1,583,215.32-424,243.04

Finding the Fourth Proportional to 1,055,476.85, 1,583,215.32 and 424,243.04

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Solution

The fourth proportional to 1,055,476.85, 1,583,215.32 and 424,243.04 is: 636,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,476.85 : 1,583,215.32 = 424,243.04 : x
  2. Step 2: Convert to fraction form
    1,055,476.85/1,583,215.32 = 424,243.04/x
  3. Step 3: Cross multiply
    1,055,476.85x = 1,583,215.32 × 424,243.04
  4. Step 4: Simplify right side
    1,055,476.85x = 671,668,072,415.30
  5. Step 5: Solve for x
    x = 671,668,072,415.30/1,055,476.85
  6. Step 6: Final answer
    x = 636,364.57

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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.