Home / 1,779,157.76-2,668,811.04-516,985.52

Finding the Fourth Proportional to 1,779,157.76, 2,668,811.04 and 516,985.52

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Solution

The fourth proportional to 1,779,157.76, 2,668,811.04 and 516,985.52 is: 775,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,157.76 : 2,668,811.04 = 516,985.52 : x
  2. Step 2: Convert to fraction form
    1,779,157.76/2,668,811.04 = 516,985.52/x
  3. Step 3: Cross multiply
    1,779,157.76x = 2,668,811.04 × 516,985.52
  4. Step 4: Simplify right side
    1,779,157.76x = 1,379,736,663,296.14
  5. Step 5: Solve for x
    x = 1,379,736,663,296.14/1,779,157.76
  6. Step 6: Final answer
    x = 775,499.90

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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.