Home / 558,176.08-770,189.55-328,779.04

Finding the Fourth Proportional to 558,176.08, 770,189.55 and 328,779.04

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Solution

The fourth proportional to 558,176.08, 770,189.55 and 328,779.04 is: 453,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,176.08 : 770,189.55 = 328,779.04 : x
  2. Step 2: Convert to fraction form
    558,176.08/770,189.55 = 328,779.04/x
  3. Step 3: Cross multiply
    558,176.08x = 770,189.55 × 328,779.04
  4. Step 4: Simplify right side
    558,176.08x = 253,222,180,867.03
  5. Step 5: Solve for x
    x = 253,222,180,867.03/558,176.08
  6. Step 6: Final answer
    x = 453,660.04

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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.