Home / 1,115,999.80-1,674,437.10-406,099.60

Finding the Fourth Proportional to 1,115,999.80, 1,674,437.10 and 406,099.60

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Solution

The fourth proportional to 1,115,999.80, 1,674,437.10 and 406,099.60 is: 609,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,999.80 : 1,674,437.10 = 406,099.60 : x
  2. Step 2: Convert to fraction form
    1,115,999.80/1,674,437.10 = 406,099.60/x
  3. Step 3: Cross multiply
    1,115,999.80x = 1,674,437.10 × 406,099.60
  4. Step 4: Simplify right side
    1,115,999.80x = 679,988,236,535.16
  5. Step 5: Solve for x
    x = 679,988,236,535.16/1,115,999.80
  6. Step 6: Final answer
    x = 609,308.56

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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.