Home / 1,010,249.40-1,394,598.83-666,289.38

Finding the Fourth Proportional to 1,010,249.40, 1,394,598.83 and 666,289.38

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Solution

The fourth proportional to 1,010,249.40, 1,394,598.83 and 666,289.38 is: 919,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,249.40 : 1,394,598.83 = 666,289.38 : x
  2. Step 2: Convert to fraction form
    1,010,249.40/1,394,598.83 = 666,289.38/x
  3. Step 3: Cross multiply
    1,010,249.40x = 1,394,598.83 × 666,289.38
  4. Step 4: Simplify right side
    1,010,249.40x = 929,206,386,457.98
  5. Step 5: Solve for x
    x = 929,206,386,457.98/1,010,249.40
  6. Step 6: Final answer
    x = 919,779.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.