Home / 1,205,410.90-1,807,394.64-406,674.76

Finding the Fourth Proportional to 1,205,410.90, 1,807,394.64 and 406,674.76

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Solution

The fourth proportional to 1,205,410.90, 1,807,394.64 and 406,674.76 is: 609,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,410.90 : 1,807,394.64 = 406,674.76 : x
  2. Step 2: Convert to fraction form
    1,205,410.90/1,807,394.64 = 406,674.76/x
  3. Step 3: Cross multiply
    1,205,410.90x = 1,807,394.64 × 406,674.76
  4. Step 4: Simplify right side
    1,205,410.90x = 735,021,781,447.29
  5. Step 5: Solve for x
    x = 735,021,781,447.29/1,205,410.90
  6. Step 6: Final answer
    x = 609,768.65

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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.