Home / 375,528.12-518,055.08-332,551.40

Finding the Fourth Proportional to 375,528.12, 518,055.08 and 332,551.40

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Solution

The fourth proportional to 375,528.12, 518,055.08 and 332,551.40 is: 458,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,528.12 : 518,055.08 = 332,551.40 : x
  2. Step 2: Convert to fraction form
    375,528.12/518,055.08 = 332,551.40/x
  3. Step 3: Cross multiply
    375,528.12x = 518,055.08 × 332,551.40
  4. Step 4: Simplify right side
    375,528.12x = 172,279,942,131.11
  5. Step 5: Solve for x
    x = 172,279,942,131.11/375,528.12
  6. Step 6: Final answer
    x = 458,767.09

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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.