Home / 803,090.38-1,108,244.74-458,904.46

Finding the Fourth Proportional to 803,090.38, 1,108,244.74 and 458,904.46

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Solution

The fourth proportional to 803,090.38, 1,108,244.74 and 458,904.46 is: 633,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,090.38 : 1,108,244.74 = 458,904.46 : x
  2. Step 2: Convert to fraction form
    803,090.38/1,108,244.74 = 458,904.46/x
  3. Step 3: Cross multiply
    803,090.38x = 1,108,244.74 × 458,904.46
  4. Step 4: Simplify right side
    803,090.38x = 508,578,453,957.54
  5. Step 5: Solve for x
    x = 508,578,453,957.54/803,090.38
  6. Step 6: Final answer
    x = 633,276.74

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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.