Home / 1,769,478.60-2,654,219.70-439,782.60

Finding the Fourth Proportional to 1,769,478.60, 2,654,219.70 and 439,782.60

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Solution

The fourth proportional to 1,769,478.60, 2,654,219.70 and 439,782.60 is: 659,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,478.60 : 2,654,219.70 = 439,782.60 : x
  2. Step 2: Convert to fraction form
    1,769,478.60/2,654,219.70 = 439,782.60/x
  3. Step 3: Cross multiply
    1,769,478.60x = 2,654,219.70 × 439,782.60
  4. Step 4: Simplify right side
    1,769,478.60x = 1,167,279,640,637.22
  5. Step 5: Solve for x
    x = 1,167,279,640,637.22/1,769,478.60
  6. Step 6: Final answer
    x = 659,674.35

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Double scale
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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.