Home / 916,632.81-1,264,934.25-508,710.96

Finding the Fourth Proportional to 916,632.81, 1,264,934.25 and 508,710.96

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Solution

The fourth proportional to 916,632.81, 1,264,934.25 and 508,710.96 is: 702,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,632.81 : 1,264,934.25 = 508,710.96 : x
  2. Step 2: Convert to fraction form
    916,632.81/1,264,934.25 = 508,710.96/x
  3. Step 3: Cross multiply
    916,632.81x = 1,264,934.25 × 508,710.96
  4. Step 4: Simplify right side
    916,632.81x = 643,485,916,654.38
  5. Step 5: Solve for x
    x = 643,485,916,654.38/916,632.81
  6. Step 6: Final answer
    x = 702,010.56

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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.