Home / 1,019,074-1,407,761.04-816,470.32

Finding the Fourth Proportional to 1,019,074, 1,407,761.04 and 816,470.32

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Solution

The fourth proportional to 1,019,074, 1,407,761.04 and 816,470.32 is: 1,127,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,074 : 1,407,761.04 = 816,470.32 : x
  2. Step 2: Convert to fraction form
    1,019,074/1,407,761.04 = 816,470.32/x
  3. Step 3: Cross multiply
    1,019,074x = 1,407,761.04 × 816,470.32
  4. Step 4: Simplify right side
    1,019,074x = 1,149,395,106,812.33
  5. Step 5: Solve for x
    x = 1,149,395,106,812.33/1,019,074
  6. Step 6: Final answer
    x = 1,127,881.89

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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.