Home / 989,970.93-1,366,160.58-537,261.93

Finding the Fourth Proportional to 989,970.93, 1,366,160.58 and 537,261.93

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Solution

The fourth proportional to 989,970.93, 1,366,160.58 and 537,261.93 is: 741,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,970.93 : 1,366,160.58 = 537,261.93 : x
  2. Step 2: Convert to fraction form
    989,970.93/1,366,160.58 = 537,261.93/x
  3. Step 3: Cross multiply
    989,970.93x = 1,366,160.58 × 537,261.93
  4. Step 4: Simplify right side
    989,970.93x = 733,986,069,900.72
  5. Step 5: Solve for x
    x = 733,986,069,900.72/989,970.93
  6. Step 6: Final answer
    x = 741,421.84

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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.