Home / 814,390.96-1,221,585.63-557,970.88

Finding the Fourth Proportional to 814,390.96, 1,221,585.63 and 557,970.88

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Solution

The fourth proportional to 814,390.96, 1,221,585.63 and 557,970.88 is: 836,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,390.96 : 1,221,585.63 = 557,970.88 : x
  2. Step 2: Convert to fraction form
    814,390.96/1,221,585.63 = 557,970.88/x
  3. Step 3: Cross multiply
    814,390.96x = 1,221,585.63 × 557,970.88
  4. Step 4: Simplify right side
    814,390.96x = 681,609,208,966.45
  5. Step 5: Solve for x
    x = 681,609,208,966.45/814,390.96
  6. Step 6: Final answer
    x = 836,955.77

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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.