Home / 989,898.35-1,366,060.61-537,189.35

Finding the Fourth Proportional to 989,898.35, 1,366,060.61 and 537,189.35

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Solution

The fourth proportional to 989,898.35, 1,366,060.61 and 537,189.35 is: 741,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,898.35 : 1,366,060.61 = 537,189.35 : x
  2. Step 2: Convert to fraction form
    989,898.35/1,366,060.61 = 537,189.35/x
  3. Step 3: Cross multiply
    989,898.35x = 1,366,060.61 × 537,189.35
  4. Step 4: Simplify right side
    989,898.35x = 733,833,211,875.71
  5. Step 5: Solve for x
    x = 733,833,211,875.71/989,898.35
  6. Step 6: Final answer
    x = 741,321.78

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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.