Home / 1,121,565.60-1,682,348.40-649,173.60

Finding the Fourth Proportional to 1,121,565.60, 1,682,348.40 and 649,173.60

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Solution

The fourth proportional to 1,121,565.60, 1,682,348.40 and 649,173.60 is: 973,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,565.60 : 1,682,348.40 = 649,173.60 : x
  2. Step 2: Convert to fraction form
    1,121,565.60/1,682,348.40 = 649,173.60/x
  3. Step 3: Cross multiply
    1,121,565.60x = 1,682,348.40 × 649,173.60
  4. Step 4: Simplify right side
    1,121,565.60x = 1,092,136,167,282.24
  5. Step 5: Solve for x
    x = 1,092,136,167,282.24/1,121,565.60
  6. Step 6: Final answer
    x = 973,760.40

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Double scale
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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.