Home / 1,216,583.32-1,678,211.58-707,229.40

Finding the Fourth Proportional to 1,216,583.32, 1,678,211.58 and 707,229.40

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Solution

The fourth proportional to 1,216,583.32, 1,678,211.58 and 707,229.40 is: 975,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,583.32 : 1,678,211.58 = 707,229.40 : x
  2. Step 2: Convert to fraction form
    1,216,583.32/1,678,211.58 = 707,229.40/x
  3. Step 3: Cross multiply
    1,216,583.32x = 1,678,211.58 × 707,229.40
  4. Step 4: Simplify right side
    1,216,583.32x = 1,186,880,568,796.45
  5. Step 5: Solve for x
    x = 1,186,880,568,796.45/1,216,583.32
  6. Step 6: Final answer
    x = 975,585.11

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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.