Home / 401,162.04-553,664.60-256,030.44

Finding the Fourth Proportional to 401,162.04, 553,664.60 and 256,030.44

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Solution

The fourth proportional to 401,162.04, 553,664.60 and 256,030.44 is: 353,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,162.04 : 553,664.60 = 256,030.44 : x
  2. Step 2: Convert to fraction form
    401,162.04/553,664.60 = 256,030.44/x
  3. Step 3: Cross multiply
    401,162.04x = 553,664.60 × 256,030.44
  4. Step 4: Simplify right side
    401,162.04x = 141,754,991,150.42
  5. Step 5: Solve for x
    x = 141,754,991,150.42/401,162.04
  6. Step 6: Final answer
    x = 353,360.93

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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.