Home / 995,783.65-1,488,006.75-747,689.88

Finding the Fourth Proportional to 995,783.65, 1,488,006.75 and 747,689.88

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Solution

The fourth proportional to 995,783.65, 1,488,006.75 and 747,689.88 is: 1,117,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,783.65 : 1,488,006.75 = 747,689.88 : x
  2. Step 2: Convert to fraction form
    995,783.65/1,488,006.75 = 747,689.88/x
  3. Step 3: Cross multiply
    995,783.65x = 1,488,006.75 × 747,689.88
  4. Step 4: Simplify right side
    995,783.65x = 1,112,567,584,154.76
  5. Step 5: Solve for x
    x = 1,112,567,584,154.76/995,783.65
  6. Step 6: Final answer
    x = 1,117,278.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.