Home / 983,626.43-1,475,638.53-415,008.93

Finding the Fourth Proportional to 983,626.43, 1,475,638.53 and 415,008.93

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Solution

The fourth proportional to 983,626.43, 1,475,638.53 and 415,008.93 is: 622,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,626.43 : 1,475,638.53 = 415,008.93 : x
  2. Step 2: Convert to fraction form
    983,626.43/1,475,638.53 = 415,008.93/x
  3. Step 3: Cross multiply
    983,626.43x = 1,475,638.53 × 415,008.93
  4. Step 4: Simplify right side
    983,626.43x = 612,403,167,402.07
  5. Step 5: Solve for x
    x = 612,403,167,402.07/983,626.43
  6. Step 6: Final answer
    x = 622,597.31

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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.