Home / 476,501.44-657,132.78-323,768.20

Finding the Fourth Proportional to 476,501.44, 657,132.78 and 323,768.20

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Solution

The fourth proportional to 476,501.44, 657,132.78 and 323,768.20 is: 446,501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,501.44 : 657,132.78 = 323,768.20 : x
  2. Step 2: Convert to fraction form
    476,501.44/657,132.78 = 323,768.20/x
  3. Step 3: Cross multiply
    476,501.44x = 657,132.78 × 323,768.20
  4. Step 4: Simplify right side
    476,501.44x = 212,758,697,341.60
  5. Step 5: Solve for x
    x = 212,758,697,341.60/476,501.44
  6. Step 6: Final answer
    x = 446,501.69

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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.