Home / 761,014.41-1,047,807.41-646,065.69

Finding the Fourth Proportional to 761,014.41, 1,047,807.41 and 646,065.69

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Solution

The fourth proportional to 761,014.41, 1,047,807.41 and 646,065.69 is: 889,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,014.41 : 1,047,807.41 = 646,065.69 : x
  2. Step 2: Convert to fraction form
    761,014.41/1,047,807.41 = 646,065.69/x
  3. Step 3: Cross multiply
    761,014.41x = 1,047,807.41 × 646,065.69
  4. Step 4: Simplify right side
    761,014.41x = 676,952,414,098.44
  5. Step 5: Solve for x
    x = 676,952,414,098.44/761,014.41
  6. Step 6: Final answer
    x = 889,539.55

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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.