Home / 1,506,734.76-2,079,288.03-818,401.08

Finding the Fourth Proportional to 1,506,734.76, 2,079,288.03 and 818,401.08

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Solution

The fourth proportional to 1,506,734.76, 2,079,288.03 and 818,401.08 is: 1,129,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,734.76 : 2,079,288.03 = 818,401.08 : x
  2. Step 2: Convert to fraction form
    1,506,734.76/2,079,288.03 = 818,401.08/x
  3. Step 3: Cross multiply
    1,506,734.76x = 2,079,288.03 × 818,401.08
  4. Step 4: Simplify right side
    1,506,734.76x = 1,701,691,569,383.07
  5. Step 5: Solve for x
    x = 1,701,691,569,383.07/1,506,734.76
  6. Step 6: Final answer
    x = 1,129,390.26

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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.