Home / 1,170,912.84-1,615,853.37-654,666.63

Finding the Fourth Proportional to 1,170,912.84, 1,615,853.37 and 654,666.63

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Solution

The fourth proportional to 1,170,912.84, 1,615,853.37 and 654,666.63 is: 903,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,912.84 : 1,615,853.37 = 654,666.63 : x
  2. Step 2: Convert to fraction form
    1,170,912.84/1,615,853.37 = 654,666.63/x
  3. Step 3: Cross multiply
    1,170,912.84x = 1,615,853.37 × 654,666.63
  4. Step 4: Simplify right side
    1,170,912.84x = 1,057,845,280,312.04
  5. Step 5: Solve for x
    x = 1,057,845,280,312.04/1,170,912.84
  6. Step 6: Final answer
    x = 903,436.40

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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.