Home / 1,001,831.98-1,382,669.91-619,981.78

Finding the Fourth Proportional to 1,001,831.98, 1,382,669.91 and 619,981.78

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Solution

The fourth proportional to 1,001,831.98, 1,382,669.91 and 619,981.78 is: 855,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,831.98 : 1,382,669.91 = 619,981.78 : x
  2. Step 2: Convert to fraction form
    1,001,831.98/1,382,669.91 = 619,981.78/x
  3. Step 3: Cross multiply
    1,001,831.98x = 1,382,669.91 × 619,981.78
  4. Step 4: Simplify right side
    1,001,831.98x = 857,230,151,954.24
  5. Step 5: Solve for x
    x = 857,230,151,954.24/1,001,831.98
  6. Step 6: Final answer
    x = 855,662.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.