Home / 992,970.78-1,370,299.62-540,265.02

Finding the Fourth Proportional to 992,970.78, 1,370,299.62 and 540,265.02

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Solution

The fourth proportional to 992,970.78, 1,370,299.62 and 540,265.02 is: 745,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,970.78 : 1,370,299.62 = 540,265.02 : x
  2. Step 2: Convert to fraction form
    992,970.78/1,370,299.62 = 540,265.02/x
  3. Step 3: Cross multiply
    992,970.78x = 1,370,299.62 × 540,265.02
  4. Step 4: Simplify right side
    992,970.78x = 740,324,951,605.29
  5. Step 5: Solve for x
    x = 740,324,951,605.29/992,970.78
  6. Step 6: Final answer
    x = 745,565.70

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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.