Home / 631,973.80-948,090.30-211,551.40

Finding the Fourth Proportional to 631,973.80, 948,090.30 and 211,551.40

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Solution

The fourth proportional to 631,973.80, 948,090.30 and 211,551.40 is: 317,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,973.80 : 948,090.30 = 211,551.40 : x
  2. Step 2: Convert to fraction form
    631,973.80/948,090.30 = 211,551.40/x
  3. Step 3: Cross multiply
    631,973.80x = 948,090.30 × 211,551.40
  4. Step 4: Simplify right side
    631,973.80x = 200,569,830,291.42
  5. Step 5: Solve for x
    x = 200,569,830,291.42/631,973.80
  6. Step 6: Final answer
    x = 317,370.48

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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.