Home / 753,083.64-1,038,377.41-561,764.88

Finding the Fourth Proportional to 753,083.64, 1,038,377.41 and 561,764.88

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Solution

The fourth proportional to 753,083.64, 1,038,377.41 and 561,764.88 is: 774,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,083.64 : 1,038,377.41 = 561,764.88 : x
  2. Step 2: Convert to fraction form
    753,083.64/1,038,377.41 = 561,764.88/x
  3. Step 3: Cross multiply
    753,083.64x = 1,038,377.41 × 561,764.88
  4. Step 4: Simplify right side
    753,083.64x = 583,323,959,718.95
  5. Step 5: Solve for x
    x = 583,323,959,718.95/753,083.64
  6. Step 6: Final answer
    x = 774,580.58

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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.