Home / 769,607.13-1,062,059.27-430,075.38

Finding the Fourth Proportional to 769,607.13, 1,062,059.27 and 430,075.38

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Solution

The fourth proportional to 769,607.13, 1,062,059.27 and 430,075.38 is: 593,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,607.13 : 1,062,059.27 = 430,075.38 : x
  2. Step 2: Convert to fraction form
    769,607.13/1,062,059.27 = 430,075.38/x
  3. Step 3: Cross multiply
    769,607.13x = 1,062,059.27 × 430,075.38
  4. Step 4: Simplify right side
    769,607.13x = 456,765,541,977.40
  5. Step 5: Solve for x
    x = 456,765,541,977.40/769,607.13
  6. Step 6: Final answer
    x = 593,504.82

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1.5x scale

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.