Home / 1,147,335.84-1,720,776.96-1,090,437.12

Finding the Fourth Proportional to 1,147,335.84, 1,720,776.96 and 1,090,437.12

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Solution

The fourth proportional to 1,147,335.84, 1,720,776.96 and 1,090,437.12 is: 1,635,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,335.84 : 1,720,776.96 = 1,090,437.12 : x
  2. Step 2: Convert to fraction form
    1,147,335.84/1,720,776.96 = 1,090,437.12/x
  3. Step 3: Cross multiply
    1,147,335.84x = 1,720,776.96 × 1,090,437.12
  4. Step 4: Simplify right side
    1,147,335.84x = 1,876,399,072,424.76
  5. Step 5: Solve for x
    x = 1,876,399,072,424.76/1,147,335.84
  6. Step 6: Final answer
    x = 1,635,440.13

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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.