Home / 1,416,763.86-1,955,135.61-772,184.58

Finding the Fourth Proportional to 1,416,763.86, 1,955,135.61 and 772,184.58

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Solution

The fourth proportional to 1,416,763.86, 1,955,135.61 and 772,184.58 is: 1,065,615.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,763.86 : 1,955,135.61 = 772,184.58 : x
  2. Step 2: Convert to fraction form
    1,416,763.86/1,955,135.61 = 772,184.58/x
  3. Step 3: Cross multiply
    1,416,763.86x = 1,955,135.61 × 772,184.58
  4. Step 4: Simplify right side
    1,416,763.86x = 1,509,725,569,850.89
  5. Step 5: Solve for x
    x = 1,509,725,569,850.89/1,416,763.86
  6. Step 6: Final answer
    x = 1,065,615.53

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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.