Home / 525,206.10-788,003.55-209,889.30

Finding the Fourth Proportional to 525,206.10, 788,003.55 and 209,889.30

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Solution

The fourth proportional to 525,206.10, 788,003.55 and 209,889.30 is: 314,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,206.10 : 788,003.55 = 209,889.30 : x
  2. Step 2: Convert to fraction form
    525,206.10/788,003.55 = 209,889.30/x
  3. Step 3: Cross multiply
    525,206.10x = 788,003.55 × 209,889.30
  4. Step 4: Simplify right side
    525,206.10x = 165,393,513,507.02
  5. Step 5: Solve for x
    x = 165,393,513,507.02/525,206.10
  6. Step 6: Final answer
    x = 314,911.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.