Home / 742,519.44-1,114,247.71-316,054.58

Finding the Fourth Proportional to 742,519.44, 1,114,247.71 and 316,054.58

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Solution

The fourth proportional to 742,519.44, 1,114,247.71 and 316,054.58 is: 474,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,519.44 : 1,114,247.71 = 316,054.58 : x
  2. Step 2: Convert to fraction form
    742,519.44/1,114,247.71 = 316,054.58/x
  3. Step 3: Cross multiply
    742,519.44x = 1,114,247.71 × 316,054.58
  4. Step 4: Simplify right side
    742,519.44x = 352,163,090,004.53
  5. Step 5: Solve for x
    x = 352,163,090,004.53/742,519.44
  6. Step 6: Final answer
    x = 474,281.30

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1.5x scale

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.