Home / 1,019,809.47-1,407,339.87-560,971.04

Finding the Fourth Proportional to 1,019,809.47, 1,407,339.87 and 560,971.04

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Solution

The fourth proportional to 1,019,809.47, 1,407,339.87 and 560,971.04 is: 774,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,809.47 : 1,407,339.87 = 560,971.04 : x
  2. Step 2: Convert to fraction form
    1,019,809.47/1,407,339.87 = 560,971.04/x
  3. Step 3: Cross multiply
    1,019,809.47x = 1,407,339.87 × 560,971.04
  4. Step 4: Simplify right side
    1,019,809.47x = 789,476,913,241.45
  5. Step 5: Solve for x
    x = 789,476,913,241.45/1,019,809.47
  6. Step 6: Final answer
    x = 774,141.58

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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.