Home / 1,105,422.74-1,658,133.64-306,704.16

Finding the Fourth Proportional to 1,105,422.74, 1,658,133.64 and 306,704.16

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Solution

The fourth proportional to 1,105,422.74, 1,658,133.64 and 306,704.16 is: 460,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,422.74 : 1,658,133.64 = 306,704.16 : x
  2. Step 2: Convert to fraction form
    1,105,422.74/1,658,133.64 = 306,704.16/x
  3. Step 3: Cross multiply
    1,105,422.74x = 1,658,133.64 × 306,704.16
  4. Step 4: Simplify right side
    1,105,422.74x = 508,556,485,223.94
  5. Step 5: Solve for x
    x = 508,556,485,223.94/1,105,422.74
  6. Step 6: Final answer
    x = 460,056.11

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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.