Home / 924,723.66-1,387,085.49-259,875.66

Finding the Fourth Proportional to 924,723.66, 1,387,085.49 and 259,875.66

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Solution

The fourth proportional to 924,723.66, 1,387,085.49 and 259,875.66 is: 389,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,723.66 : 1,387,085.49 = 259,875.66 : x
  2. Step 2: Convert to fraction form
    924,723.66/1,387,085.49 = 259,875.66/x
  3. Step 3: Cross multiply
    924,723.66x = 1,387,085.49 × 259,875.66
  4. Step 4: Simplify right side
    924,723.66x = 360,469,748,955.37
  5. Step 5: Solve for x
    x = 360,469,748,955.37/924,723.66
  6. Step 6: Final answer
    x = 389,813.48

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Double scale
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Similar ratio
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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.