Home / 401,330.07-553,846.05-226,886.40

Finding the Fourth Proportional to 401,330.07, 553,846.05 and 226,886.40

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Solution

The fourth proportional to 401,330.07, 553,846.05 and 226,886.40 is: 313,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,330.07 : 553,846.05 = 226,886.40 : x
  2. Step 2: Convert to fraction form
    401,330.07/553,846.05 = 226,886.40/x
  3. Step 3: Cross multiply
    401,330.07x = 553,846.05 × 226,886.40
  4. Step 4: Simplify right side
    401,330.07x = 125,660,136,438.72
  5. Step 5: Solve for x
    x = 125,660,136,438.72/401,330.07
  6. Step 6: Final answer
    x = 313,109.20

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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.