Home / 921,046.92-1,270,182.63-727,916.02

Finding the Fourth Proportional to 921,046.92, 1,270,182.63 and 727,916.02

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Solution

The fourth proportional to 921,046.92, 1,270,182.63 and 727,916.02 is: 1,003,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,046.92 : 1,270,182.63 = 727,916.02 : x
  2. Step 2: Convert to fraction form
    921,046.92/1,270,182.63 = 727,916.02/x
  3. Step 3: Cross multiply
    921,046.92x = 1,270,182.63 × 727,916.02
  4. Step 4: Simplify right side
    921,046.92x = 924,586,284,256.96
  5. Step 5: Solve for x
    x = 924,586,284,256.96/921,046.92
  6. Step 6: Final answer
    x = 1,003,842.77

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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.