Home / 579,285.62-799,412.91-352,931.30

Finding the Fourth Proportional to 579,285.62, 799,412.91 and 352,931.30

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Solution

The fourth proportional to 579,285.62, 799,412.91 and 352,931.30 is: 487,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,285.62 : 799,412.91 = 352,931.30 : x
  2. Step 2: Convert to fraction form
    579,285.62/799,412.91 = 352,931.30/x
  3. Step 3: Cross multiply
    579,285.62x = 799,412.91 × 352,931.30
  4. Step 4: Simplify right side
    579,285.62x = 282,137,837,563.08
  5. Step 5: Solve for x
    x = 282,137,837,563.08/579,285.62
  6. Step 6: Final answer
    x = 487,044.44

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Double scale
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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.