Home / 993,214.12-1,370,666.60-563,512.36

Finding the Fourth Proportional to 993,214.12, 1,370,666.60 and 563,512.36

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Solution

The fourth proportional to 993,214.12, 1,370,666.60 and 563,512.36 is: 777,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,214.12 : 1,370,666.60 = 563,512.36 : x
  2. Step 2: Convert to fraction form
    993,214.12/1,370,666.60 = 563,512.36/x
  3. Step 3: Cross multiply
    993,214.12x = 1,370,666.60 × 563,512.36
  4. Step 4: Simplify right side
    993,214.12x = 772,387,570,539.18
  5. Step 5: Solve for x
    x = 772,387,570,539.18/993,214.12
  6. Step 6: Final answer
    x = 777,664.71

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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.