Home / 913,966.20-1,371,185.82-535,206.96

Finding the Fourth Proportional to 913,966.20, 1,371,185.82 and 535,206.96

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Solution

The fourth proportional to 913,966.20, 1,371,185.82 and 535,206.96 is: 802,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,966.20 : 1,371,185.82 = 535,206.96 : x
  2. Step 2: Convert to fraction form
    913,966.20/1,371,185.82 = 535,206.96/x
  3. Step 3: Cross multiply
    913,966.20x = 1,371,185.82 × 535,206.96
  4. Step 4: Simplify right side
    913,966.20x = 733,868,194,317.31
  5. Step 5: Solve for x
    x = 733,868,194,317.31/913,966.20
  6. Step 6: Final answer
    x = 802,948.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.