Home / 401,389.02-553,907.16-226,944.18

Finding the Fourth Proportional to 401,389.02, 553,907.16 and 226,944.18

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Solution

The fourth proportional to 401,389.02, 553,907.16 and 226,944.18 is: 313,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,389.02 : 553,907.16 = 226,944.18 : x
  2. Step 2: Convert to fraction form
    401,389.02/553,907.16 = 226,944.18/x
  3. Step 3: Cross multiply
    401,389.02x = 553,907.16 × 226,944.18
  4. Step 4: Simplify right side
    401,389.02x = 125,706,006,222.33
  5. Step 5: Solve for x
    x = 125,706,006,222.33/401,389.02
  6. Step 6: Final answer
    x = 313,177.49

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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.