Home / 893,527.28-1,233,075.72-485,630.09

Finding the Fourth Proportional to 893,527.28, 1,233,075.72 and 485,630.09

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Solution

The fourth proportional to 893,527.28, 1,233,075.72 and 485,630.09 is: 670,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,527.28 : 1,233,075.72 = 485,630.09 : x
  2. Step 2: Convert to fraction form
    893,527.28/1,233,075.72 = 485,630.09/x
  3. Step 3: Cross multiply
    893,527.28x = 1,233,075.72 × 485,630.09
  4. Step 4: Simplify right side
    893,527.28x = 598,818,672,880.42
  5. Step 5: Solve for x
    x = 598,818,672,880.42/893,527.28
  6. Step 6: Final answer
    x = 670,173.91

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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.