Home / 1,478,946.76-2,218,420.14-481,674.76

Finding the Fourth Proportional to 1,478,946.76, 2,218,420.14 and 481,674.76

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Solution

The fourth proportional to 1,478,946.76, 2,218,420.14 and 481,674.76 is: 722,512.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,946.76 : 2,218,420.14 = 481,674.76 : x
  2. Step 2: Convert to fraction form
    1,478,946.76/2,218,420.14 = 481,674.76/x
  3. Step 3: Cross multiply
    1,478,946.76x = 2,218,420.14 × 481,674.76
  4. Step 4: Simplify right side
    1,478,946.76x = 1,068,556,988,513.67
  5. Step 5: Solve for x
    x = 1,068,556,988,513.67/1,478,946.76
  6. Step 6: Final answer
    x = 722,512.14

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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.