Home / 922,983.19-1,273,780.74-515,164.59

Finding the Fourth Proportional to 922,983.19, 1,273,780.74 and 515,164.59

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Solution

The fourth proportional to 922,983.19, 1,273,780.74 and 515,164.59 is: 710,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,983.19 : 1,273,780.74 = 515,164.59 : x
  2. Step 2: Convert to fraction form
    922,983.19/1,273,780.74 = 515,164.59/x
  3. Step 3: Cross multiply
    922,983.19x = 1,273,780.74 × 515,164.59
  4. Step 4: Simplify right side
    922,983.19x = 656,206,730,096.17
  5. Step 5: Solve for x
    x = 656,206,730,096.17/922,983.19
  6. Step 6: Final answer
    x = 710,962.82

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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.