Home / 762,255.66-1,051,914.34-418,094.40

Finding the Fourth Proportional to 762,255.66, 1,051,914.34 and 418,094.40

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Solution

The fourth proportional to 762,255.66, 1,051,914.34 and 418,094.40 is: 576,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,255.66 : 1,051,914.34 = 418,094.40 : x
  2. Step 2: Convert to fraction form
    762,255.66/1,051,914.34 = 418,094.40/x
  3. Step 3: Cross multiply
    762,255.66x = 1,051,914.34 × 418,094.40
  4. Step 4: Simplify right side
    762,255.66x = 439,799,494,833.70
  5. Step 5: Solve for x
    x = 439,799,494,833.70/762,255.66
  6. Step 6: Final answer
    x = 576,971.11

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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.