Home / 990,544.70-1,366,957.13-537,835.70

Finding the Fourth Proportional to 990,544.70, 1,366,957.13 and 537,835.70

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Solution

The fourth proportional to 990,544.70, 1,366,957.13 and 537,835.70 is: 742,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,544.70 : 1,366,957.13 = 537,835.70 : x
  2. Step 2: Convert to fraction form
    990,544.70/1,366,957.13 = 537,835.70/x
  3. Step 3: Cross multiply
    990,544.70x = 1,366,957.13 × 537,835.70
  4. Step 4: Simplify right side
    990,544.70x = 735,198,335,359.58
  5. Step 5: Solve for x
    x = 735,198,335,359.58/990,544.70
  6. Step 6: Final answer
    x = 742,216.22

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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.