Home / 976,407.03-1,347,492.38-546,661.53

Finding the Fourth Proportional to 976,407.03, 1,347,492.38 and 546,661.53

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Solution

The fourth proportional to 976,407.03, 1,347,492.38 and 546,661.53 is: 754,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,407.03 : 1,347,492.38 = 546,661.53 : x
  2. Step 2: Convert to fraction form
    976,407.03/1,347,492.38 = 546,661.53/x
  3. Step 3: Cross multiply
    976,407.03x = 1,347,492.38 × 546,661.53
  4. Step 4: Simplify right side
    976,407.03x = 736,622,243,380.83
  5. Step 5: Solve for x
    x = 736,622,243,380.83/976,407.03
  6. Step 6: Final answer
    x = 754,421.28

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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.