Home / 993,068.56-1,370,430.84-563,431.60

Finding the Fourth Proportional to 993,068.56, 1,370,430.84 and 563,431.60

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Solution

The fourth proportional to 993,068.56, 1,370,430.84 and 563,431.60 is: 777,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,068.56 : 1,370,430.84 = 563,431.60 : x
  2. Step 2: Convert to fraction form
    993,068.56/1,370,430.84 = 563,431.60/x
  3. Step 3: Cross multiply
    993,068.56x = 1,370,430.84 × 563,431.60
  4. Step 4: Simplify right side
    993,068.56x = 772,144,040,870.54
  5. Step 5: Solve for x
    x = 772,144,040,870.54/993,068.56
  6. Step 6: Final answer
    x = 777,533.47

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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.