Home / 970,543.61-1,456,463.31-339,457.42

Finding the Fourth Proportional to 970,543.61, 1,456,463.31 and 339,457.42

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Solution

The fourth proportional to 970,543.61, 1,456,463.31 and 339,457.42 is: 509,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,543.61 : 1,456,463.31 = 339,457.42 : x
  2. Step 2: Convert to fraction form
    970,543.61/1,456,463.31 = 339,457.42/x
  3. Step 3: Cross multiply
    970,543.61x = 1,456,463.31 × 339,457.42
  4. Step 4: Simplify right side
    970,543.61x = 494,407,277,537.26
  5. Step 5: Solve for x
    x = 494,407,277,537.26/970,543.61
  6. Step 6: Final answer
    x = 509,412.74

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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.