Home / 996,689.80-1,495,034.70-919,707.40

Finding the Fourth Proportional to 996,689.80, 1,495,034.70 and 919,707.40

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Solution

The fourth proportional to 996,689.80, 1,495,034.70 and 919,707.40 is: 1,379,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,689.80 : 1,495,034.70 = 919,707.40 : x
  2. Step 2: Convert to fraction form
    996,689.80/1,495,034.70 = 919,707.40/x
  3. Step 3: Cross multiply
    996,689.80x = 1,495,034.70 × 919,707.40
  4. Step 4: Simplify right side
    996,689.80x = 1,374,994,476,846.78
  5. Step 5: Solve for x
    x = 1,374,994,476,846.78/996,689.80
  6. Step 6: Final answer
    x = 1,379,561.10

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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.