Home / 776,827.60-1,163,273.10-619,363.60

Finding the Fourth Proportional to 776,827.60, 1,163,273.10 and 619,363.60

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Solution

The fourth proportional to 776,827.60, 1,163,273.10 and 619,363.60 is: 927,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,827.60 : 1,163,273.10 = 619,363.60 : x
  2. Step 2: Convert to fraction form
    776,827.60/1,163,273.10 = 619,363.60/x
  3. Step 3: Cross multiply
    776,827.60x = 1,163,273.10 × 619,363.60
  4. Step 4: Simplify right side
    776,827.60x = 720,489,014,999.16
  5. Step 5: Solve for x
    x = 720,489,014,999.16/776,827.60
  6. Step 6: Final answer
    x = 927,476.08

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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.