Home / 942,185.66-1,300,098.20-636,926.22

Finding the Fourth Proportional to 942,185.66, 1,300,098.20 and 636,926.22

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Solution

The fourth proportional to 942,185.66, 1,300,098.20 and 636,926.22 is: 878,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,185.66 : 1,300,098.20 = 636,926.22 : x
  2. Step 2: Convert to fraction form
    942,185.66/1,300,098.20 = 636,926.22/x
  3. Step 3: Cross multiply
    942,185.66x = 1,300,098.20 × 636,926.22
  4. Step 4: Simplify right side
    942,185.66x = 828,066,628,970.17
  5. Step 5: Solve for x
    x = 828,066,628,970.17/942,185.66
  6. Step 6: Final answer
    x = 878,878.41

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1.5x scale

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.