Home / 927,848.22-1,280,365.84-514,380.90

Finding the Fourth Proportional to 927,848.22, 1,280,365.84 and 514,380.90

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Solution

The fourth proportional to 927,848.22, 1,280,365.84 and 514,380.90 is: 709,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,848.22 : 1,280,365.84 = 514,380.90 : x
  2. Step 2: Convert to fraction form
    927,848.22/1,280,365.84 = 514,380.90/x
  3. Step 3: Cross multiply
    927,848.22x = 1,280,365.84 × 514,380.90
  4. Step 4: Simplify right side
    927,848.22x = 658,595,733,108.46
  5. Step 5: Solve for x
    x = 658,595,733,108.46/927,848.22
  6. Step 6: Final answer
    x = 709,809.77

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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.