Home / 776,180.63-1,071,127.61-436,648.88

Finding the Fourth Proportional to 776,180.63, 1,071,127.61 and 436,648.88

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Solution

The fourth proportional to 776,180.63, 1,071,127.61 and 436,648.88 is: 602,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,180.63 : 1,071,127.61 = 436,648.88 : x
  2. Step 2: Convert to fraction form
    776,180.63/1,071,127.61 = 436,648.88/x
  3. Step 3: Cross multiply
    776,180.63x = 1,071,127.61 × 436,648.88
  4. Step 4: Simplify right side
    776,180.63x = 467,706,671,243.58
  5. Step 5: Solve for x
    x = 467,706,671,243.58/776,180.63
  6. Step 6: Final answer
    x = 602,574.52

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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.