Home / 922,382.98-1,272,885.24-514,484.50

Finding the Fourth Proportional to 922,382.98, 1,272,885.24 and 514,484.50

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Solution

The fourth proportional to 922,382.98, 1,272,885.24 and 514,484.50 is: 709,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,382.98 : 1,272,885.24 = 514,484.50 : x
  2. Step 2: Convert to fraction form
    922,382.98/1,272,885.24 = 514,484.50/x
  3. Step 3: Cross multiply
    922,382.98x = 1,272,885.24 × 514,484.50
  4. Step 4: Simplify right side
    922,382.98x = 654,879,726,258.78
  5. Step 5: Solve for x
    x = 654,879,726,258.78/922,382.98
  6. Step 6: Final answer
    x = 709,986.78

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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.