Home / 993,809.52-1,371,580.56-564,228.72

Finding the Fourth Proportional to 993,809.52, 1,371,580.56 and 564,228.72

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Solution

The fourth proportional to 993,809.52, 1,371,580.56 and 564,228.72 is: 778,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,809.52 : 1,371,580.56 = 564,228.72 : x
  2. Step 2: Convert to fraction form
    993,809.52/1,371,580.56 = 564,228.72/x
  3. Step 3: Cross multiply
    993,809.52x = 1,371,580.56 × 564,228.72
  4. Step 4: Simplify right side
    993,809.52x = 773,885,143,745.68
  5. Step 5: Solve for x
    x = 773,885,143,745.68/993,809.52
  6. Step 6: Final answer
    x = 778,705.71

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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.