Home / 970,650.81-1,339,436.82-535,044.15

Finding the Fourth Proportional to 970,650.81, 1,339,436.82 and 535,044.15

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Solution

The fourth proportional to 970,650.81, 1,339,436.82 and 535,044.15 is: 738,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,650.81 : 1,339,436.82 = 535,044.15 : x
  2. Step 2: Convert to fraction form
    970,650.81/1,339,436.82 = 535,044.15/x
  3. Step 3: Cross multiply
    970,650.81x = 1,339,436.82 × 535,044.15
  4. Step 4: Simplify right side
    970,650.81x = 716,657,835,508.97
  5. Step 5: Solve for x
    x = 716,657,835,508.97/970,650.81
  6. Step 6: Final answer
    x = 738,327.14

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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.