Home / 1,300,764.16-1,795,008.76-719,988.43

Finding the Fourth Proportional to 1,300,764.16, 1,795,008.76 and 719,988.43

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Solution

The fourth proportional to 1,300,764.16, 1,795,008.76 and 719,988.43 is: 993,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,764.16 : 1,795,008.76 = 719,988.43 : x
  2. Step 2: Convert to fraction form
    1,300,764.16/1,795,008.76 = 719,988.43/x
  3. Step 3: Cross multiply
    1,300,764.16x = 1,795,008.76 × 719,988.43
  4. Step 4: Simplify right side
    1,300,764.16x = 1,292,385,538,948.65
  5. Step 5: Solve for x
    x = 1,292,385,538,948.65/1,300,764.16
  6. Step 6: Final answer
    x = 993,558.69

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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.