Home / 1,151,043.03-1,726,722.12-392,680.89

Finding the Fourth Proportional to 1,151,043.03, 1,726,722.12 and 392,680.89

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Solution

The fourth proportional to 1,151,043.03, 1,726,722.12 and 392,680.89 is: 589,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,043.03 : 1,726,722.12 = 392,680.89 : x
  2. Step 2: Convert to fraction form
    1,151,043.03/1,726,722.12 = 392,680.89/x
  3. Step 3: Cross multiply
    1,151,043.03x = 1,726,722.12 × 392,680.89
  4. Step 4: Simplify right side
    1,151,043.03x = 678,050,778,864.29
  5. Step 5: Solve for x
    x = 678,050,778,864.29/1,151,043.03
  6. Step 6: Final answer
    x = 589,075.09

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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.