Home / 1,504,125.96-2,255,947.16-438,918.45

Finding the Fourth Proportional to 1,504,125.96, 2,255,947.16 and 438,918.45

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Solution

The fourth proportional to 1,504,125.96, 2,255,947.16 and 438,918.45 is: 658,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,125.96 : 2,255,947.16 = 438,918.45 : x
  2. Step 2: Convert to fraction form
    1,504,125.96/2,255,947.16 = 438,918.45/x
  3. Step 3: Cross multiply
    1,504,125.96x = 2,255,947.16 × 438,918.45
  4. Step 4: Simplify right side
    1,504,125.96x = 990,176,828,554.51
  5. Step 5: Solve for x
    x = 990,176,828,554.51/1,504,125.96
  6. Step 6: Final answer
    x = 658,307.12

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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.