Home / 2,553,289.80-3,830,809.59-871,574.28

Finding the Fourth Proportional to 2,553,289.80, 3,830,809.59 and 871,574.28

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Solution

The fourth proportional to 2,553,289.80, 3,830,809.59 and 871,574.28 is: 1,307,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553,289.80 : 3,830,809.59 = 871,574.28 : x
  2. Step 2: Convert to fraction form
    2,553,289.80/3,830,809.59 = 871,574.28/x
  3. Step 3: Cross multiply
    2,553,289.80x = 3,830,809.59 × 871,574.28
  4. Step 4: Simplify right side
    2,553,289.80x = 3,338,835,110,221.35
  5. Step 5: Solve for x
    x = 3,338,835,110,221.35/2,553,289.80
  6. Step 6: Final answer
    x = 1,307,660.07

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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.