Home / 403,698.28-557,103.78-234,030.76

Finding the Fourth Proportional to 403,698.28, 557,103.78 and 234,030.76

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Solution

The fourth proportional to 403,698.28, 557,103.78 and 234,030.76 is: 322,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,698.28 : 557,103.78 = 234,030.76 : x
  2. Step 2: Convert to fraction form
    403,698.28/557,103.78 = 234,030.76/x
  3. Step 3: Cross multiply
    403,698.28x = 557,103.78 × 234,030.76
  4. Step 4: Simplify right side
    403,698.28x = 130,379,421,032.27
  5. Step 5: Solve for x
    x = 130,379,421,032.27/403,698.28
  6. Step 6: Final answer
    x = 322,962.54

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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.