Home / 688,566.90-950,197.05-382,662.30

Finding the Fourth Proportional to 688,566.90, 950,197.05 and 382,662.30

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Solution

The fourth proportional to 688,566.90, 950,197.05 and 382,662.30 is: 528,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,566.90 : 950,197.05 = 382,662.30 : x
  2. Step 2: Convert to fraction form
    688,566.90/950,197.05 = 382,662.30/x
  3. Step 3: Cross multiply
    688,566.90x = 950,197.05 × 382,662.30
  4. Step 4: Simplify right side
    688,566.90x = 363,604,588,606.22
  5. Step 5: Solve for x
    x = 363,604,588,606.22/688,566.90
  6. Step 6: Final answer
    x = 528,059.93

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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.