Home / 790,301.80-1,185,452.70-506,866.60

Finding the Fourth Proportional to 790,301.80, 1,185,452.70 and 506,866.60

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Solution

The fourth proportional to 790,301.80, 1,185,452.70 and 506,866.60 is: 760,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,301.80 : 1,185,452.70 = 506,866.60 : x
  2. Step 2: Convert to fraction form
    790,301.80/1,185,452.70 = 506,866.60/x
  3. Step 3: Cross multiply
    790,301.80x = 1,185,452.70 × 506,866.60
  4. Step 4: Simplify right side
    790,301.80x = 600,866,379,509.82
  5. Step 5: Solve for x
    x = 600,866,379,509.82/790,301.80
  6. Step 6: Final answer
    x = 760,299.90

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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.