Home / 916,693.41-1,265,027.38-508,798.81

Finding the Fourth Proportional to 916,693.41, 1,265,027.38 and 508,798.81

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Solution

The fourth proportional to 916,693.41, 1,265,027.38 and 508,798.81 is: 702,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,693.41 : 1,265,027.38 = 508,798.81 : x
  2. Step 2: Convert to fraction form
    916,693.41/1,265,027.38 = 508,798.81/x
  3. Step 3: Cross multiply
    916,693.41x = 1,265,027.38 × 508,798.81
  4. Step 4: Simplify right side
    916,693.41x = 643,644,425,561.42
  5. Step 5: Solve for x
    x = 643,644,425,561.42/916,693.41
  6. Step 6: Final answer
    x = 702,137.07

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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.