Home / 1,319,852.57-1,821,385.91-716,240.57

Finding the Fourth Proportional to 1,319,852.57, 1,821,385.91 and 716,240.57

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Solution

The fourth proportional to 1,319,852.57, 1,821,385.91 and 716,240.57 is: 988,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,852.57 : 1,821,385.91 = 716,240.57 : x
  2. Step 2: Convert to fraction form
    1,319,852.57/1,821,385.91 = 716,240.57/x
  3. Step 3: Cross multiply
    1,319,852.57x = 1,821,385.91 × 716,240.57
  4. Step 4: Simplify right side
    1,319,852.57x = 1,304,550,475,052.04
  5. Step 5: Solve for x
    x = 1,304,550,475,052.04/1,319,852.57
  6. Step 6: Final answer
    x = 988,406.21

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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.