Home / 1,608,223.28-2,219,548.10-919,799.55

Finding the Fourth Proportional to 1,608,223.28, 2,219,548.10 and 919,799.55

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Solution

The fourth proportional to 1,608,223.28, 2,219,548.10 and 919,799.55 is: 1,269,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,223.28 : 2,219,548.10 = 919,799.55 : x
  2. Step 2: Convert to fraction form
    1,608,223.28/2,219,548.10 = 919,799.55/x
  3. Step 3: Cross multiply
    1,608,223.28x = 2,219,548.10 × 919,799.55
  4. Step 4: Simplify right side
    1,608,223.28x = 2,041,539,338,984.36
  5. Step 5: Solve for x
    x = 2,041,539,338,984.36/1,608,223.28
  6. Step 6: Final answer
    x = 1,269,437.75

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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.