Home / 1,779,136.03-2,668,710.28-431,293.15

Finding the Fourth Proportional to 1,779,136.03, 2,668,710.28 and 431,293.15

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Solution

The fourth proportional to 1,779,136.03, 2,668,710.28 and 431,293.15 is: 646,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,136.03 : 2,668,710.28 = 431,293.15 : x
  2. Step 2: Convert to fraction form
    1,779,136.03/2,668,710.28 = 431,293.15/x
  3. Step 3: Cross multiply
    1,779,136.03x = 2,668,710.28 × 431,293.15
  4. Step 4: Simplify right side
    1,779,136.03x = 1,150,996,463,098.58
  5. Step 5: Solve for x
    x = 1,150,996,463,098.58/1,779,136.03
  6. Step 6: Final answer
    x = 646,941.24

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Double scale
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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.