Home / 1,116,005.80-1,674,664.80-406,105.60

Finding the Fourth Proportional to 1,116,005.80, 1,674,664.80 and 406,105.60

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Solution

The fourth proportional to 1,116,005.80, 1,674,664.80 and 406,105.60 is: 609,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,005.80 : 1,674,664.80 = 406,105.60 : x
  2. Step 2: Convert to fraction form
    1,116,005.80/1,674,664.80 = 406,105.60/x
  3. Step 3: Cross multiply
    1,116,005.80x = 1,674,664.80 × 406,105.60
  4. Step 4: Simplify right side
    1,116,005.80x = 680,090,753,402.88
  5. Step 5: Solve for x
    x = 680,090,753,402.88/1,116,005.80
  6. Step 6: Final answer
    x = 609,397.15

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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.