Home / 1,941,582.56-2,913,686.05-679,421.12

Finding the Fourth Proportional to 1,941,582.56, 2,913,686.05 and 679,421.12

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Solution

The fourth proportional to 1,941,582.56, 2,913,686.05 and 679,421.12 is: 1,019,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,582.56 : 2,913,686.05 = 679,421.12 : x
  2. Step 2: Convert to fraction form
    1,941,582.56/2,913,686.05 = 679,421.12/x
  3. Step 3: Cross multiply
    1,941,582.56x = 2,913,686.05 × 679,421.12
  4. Step 4: Simplify right side
    1,941,582.56x = 1,979,619,839,419.38
  5. Step 5: Solve for x
    x = 1,979,619,839,419.38/1,941,582.56
  6. Step 6: Final answer
    x = 1,019,590.86

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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.