Home / 1,295,570.12-1,787,878.14-714,823.16

Finding the Fourth Proportional to 1,295,570.12, 1,787,878.14 and 714,823.16

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Solution

The fourth proportional to 1,295,570.12, 1,787,878.14 and 714,823.16 is: 986,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,570.12 : 1,787,878.14 = 714,823.16 : x
  2. Step 2: Convert to fraction form
    1,295,570.12/1,787,878.14 = 714,823.16/x
  3. Step 3: Cross multiply
    1,295,570.12x = 1,787,878.14 × 714,823.16
  4. Step 4: Simplify right side
    1,295,570.12x = 1,278,016,701,729.72
  5. Step 5: Solve for x
    x = 1,278,016,701,729.72/1,295,570.12
  6. Step 6: Final answer
    x = 986,451.20

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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.