Home / 1,319,698.40-1,821,205.02-716,086.40

Finding the Fourth Proportional to 1,319,698.40, 1,821,205.02 and 716,086.40

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Solution

The fourth proportional to 1,319,698.40, 1,821,205.02 and 716,086.40 is: 988,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,698.40 : 1,821,205.02 = 716,086.40 : x
  2. Step 2: Convert to fraction form
    1,319,698.40/1,821,205.02 = 716,086.40/x
  3. Step 3: Cross multiply
    1,319,698.40x = 1,821,205.02 × 716,086.40
  4. Step 4: Simplify right side
    1,319,698.40x = 1,304,140,146,433.73
  5. Step 5: Solve for x
    x = 1,304,140,146,433.73/1,319,698.40
  6. Step 6: Final answer
    x = 988,210.75

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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.