Home / 993,193.12-1,370,637.60-563,491.36

Finding the Fourth Proportional to 993,193.12, 1,370,637.60 and 563,491.36

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Solution

The fourth proportional to 993,193.12, 1,370,637.60 and 563,491.36 is: 777,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,193.12 : 1,370,637.60 = 563,491.36 : x
  2. Step 2: Convert to fraction form
    993,193.12/1,370,637.60 = 563,491.36/x
  3. Step 3: Cross multiply
    993,193.12x = 1,370,637.60 × 563,491.36
  4. Step 4: Simplify right side
    993,193.12x = 772,342,445,291.14
  5. Step 5: Solve for x
    x = 772,342,445,291.14/993,193.12
  6. Step 6: Final answer
    x = 777,635.72

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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.