Home / 1,173,911.47-1,756,943.64-668,336.72

Finding the Fourth Proportional to 1,173,911.47, 1,756,943.64 and 668,336.72

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Solution

The fourth proportional to 1,173,911.47, 1,756,943.64 and 668,336.72 is: 1,000,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,911.47 : 1,756,943.64 = 668,336.72 : x
  2. Step 2: Convert to fraction form
    1,173,911.47/1,756,943.64 = 668,336.72/x
  3. Step 3: Cross multiply
    1,173,911.47x = 1,756,943.64 × 668,336.72
  4. Step 4: Simplify right side
    1,173,911.47x = 1,174,229,949,582.46
  5. Step 5: Solve for x
    x = 1,174,229,949,582.46/1,173,911.47
  6. Step 6: Final answer
    x = 1,000,271.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.