Home / 727,068.86-1,003,235.36-404,770.76

Finding the Fourth Proportional to 727,068.86, 1,003,235.36 and 404,770.76

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Solution

The fourth proportional to 727,068.86, 1,003,235.36 and 404,770.76 is: 558,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,068.86 : 1,003,235.36 = 404,770.76 : x
  2. Step 2: Convert to fraction form
    727,068.86/1,003,235.36 = 404,770.76/x
  3. Step 3: Cross multiply
    727,068.86x = 1,003,235.36 × 404,770.76
  4. Step 4: Simplify right side
    727,068.86x = 406,080,339,126.07
  5. Step 5: Solve for x
    x = 406,080,339,126.07/727,068.86
  6. Step 6: Final answer
    x = 558,517.03

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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.