Home / 1,776,120.76-2,663,479.86-710,964.28

Finding the Fourth Proportional to 1,776,120.76, 2,663,479.86 and 710,964.28

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Solution

The fourth proportional to 1,776,120.76, 2,663,479.86 and 710,964.28 is: 1,066,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,120.76 : 2,663,479.86 = 710,964.28 : x
  2. Step 2: Convert to fraction form
    1,776,120.76/2,663,479.86 = 710,964.28/x
  3. Step 3: Cross multiply
    1,776,120.76x = 2,663,479.86 × 710,964.28
  4. Step 4: Simplify right side
    1,776,120.76x = 1,893,639,040,959.40
  5. Step 5: Solve for x
    x = 1,893,639,040,959.40/1,776,120.76
  6. Step 6: Final answer
    x = 1,066,165.70

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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.