Home / 1,769,152.40-2,653,728.60-439,456.40

Finding the Fourth Proportional to 1,769,152.40, 2,653,728.60 and 439,456.40

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Solution

The fourth proportional to 1,769,152.40, 2,653,728.60 and 439,456.40 is: 659,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,152.40 : 2,653,728.60 = 439,456.40 : x
  2. Step 2: Convert to fraction form
    1,769,152.40/2,653,728.60 = 439,456.40/x
  3. Step 3: Cross multiply
    1,769,152.40x = 2,653,728.60 × 439,456.40
  4. Step 4: Simplify right side
    1,769,152.40x = 1,166,198,017,133.04
  5. Step 5: Solve for x
    x = 1,166,198,017,133.04/1,769,152.40
  6. Step 6: Final answer
    x = 659,184.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.