Home / 1,416,785.61-1,955,165.63-772,206.33

Finding the Fourth Proportional to 1,416,785.61, 1,955,165.63 and 772,206.33

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Solution

The fourth proportional to 1,416,785.61, 1,955,165.63 and 772,206.33 is: 1,065,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,785.61 : 1,955,165.63 = 772,206.33 : x
  2. Step 2: Convert to fraction form
    1,416,785.61/1,955,165.63 = 772,206.33/x
  3. Step 3: Cross multiply
    1,416,785.61x = 1,955,165.63 × 772,206.33
  4. Step 4: Simplify right side
    1,416,785.61x = 1,509,791,271,823.41
  5. Step 5: Solve for x
    x = 1,509,791,271,823.41/1,416,785.61
  6. Step 6: Final answer
    x = 1,065,645.54

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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.