Home / 757,631.64-1,045,924.76-553,453.32

Finding the Fourth Proportional to 757,631.64, 1,045,924.76 and 553,453.32

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Solution

The fourth proportional to 757,631.64, 1,045,924.76 and 553,453.32 is: 764,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,631.64 : 1,045,924.76 = 553,453.32 : x
  2. Step 2: Convert to fraction form
    757,631.64/1,045,924.76 = 553,453.32/x
  3. Step 3: Cross multiply
    757,631.64x = 1,045,924.76 × 553,453.32
  4. Step 4: Simplify right side
    757,631.64x = 578,870,530,892.20
  5. Step 5: Solve for x
    x = 578,870,530,892.20/757,631.64
  6. Step 6: Final answer
    x = 764,052.74

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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.