Home / 762,563.49-1,052,386.88-423,032.01

Finding the Fourth Proportional to 762,563.49, 1,052,386.88 and 423,032.01

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Solution

The fourth proportional to 762,563.49, 1,052,386.88 and 423,032.01 is: 583,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,563.49 : 1,052,386.88 = 423,032.01 : x
  2. Step 2: Convert to fraction form
    762,563.49/1,052,386.88 = 423,032.01/x
  3. Step 3: Cross multiply
    762,563.49x = 1,052,386.88 × 423,032.01
  4. Step 4: Simplify right side
    762,563.49x = 445,193,335,028.87
  5. Step 5: Solve for x
    x = 445,193,335,028.87/762,563.49
  6. Step 6: Final answer
    x = 583,811.50

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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.