Home / 1,213,728.46-1,820,888.40-404,111.40

Finding the Fourth Proportional to 1,213,728.46, 1,820,888.40 and 404,111.40

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Solution

The fourth proportional to 1,213,728.46, 1,820,888.40 and 404,111.40 is: 606,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,728.46 : 1,820,888.40 = 404,111.40 : x
  2. Step 2: Convert to fraction form
    1,213,728.46/1,820,888.40 = 404,111.40/x
  3. Step 3: Cross multiply
    1,213,728.46x = 1,820,888.40 × 404,111.40
  4. Step 4: Simplify right side
    1,213,728.46x = 735,841,760,567.76
  5. Step 5: Solve for x
    x = 735,841,760,567.76/1,213,728.46
  6. Step 6: Final answer
    x = 606,265.56

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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.