Home / 1,915,918.61-2,873,945.81-476,609.51

Finding the Fourth Proportional to 1,915,918.61, 2,873,945.81 and 476,609.51

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Solution

The fourth proportional to 1,915,918.61, 2,873,945.81 and 476,609.51 is: 714,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,918.61 : 2,873,945.81 = 476,609.51 : x
  2. Step 2: Convert to fraction form
    1,915,918.61/2,873,945.81 = 476,609.51/x
  3. Step 3: Cross multiply
    1,915,918.61x = 2,873,945.81 × 476,609.51
  4. Step 4: Simplify right side
    1,915,918.61x = 1,369,749,901,887.61
  5. Step 5: Solve for x
    x = 1,369,749,901,887.61/1,915,918.61
  6. Step 6: Final answer
    x = 714,931.15

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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.