Home / 1,289,878.67-1,935,050.72-531,306.10

Finding the Fourth Proportional to 1,289,878.67, 1,935,050.72 and 531,306.10

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Solution

The fourth proportional to 1,289,878.67, 1,935,050.72 and 531,306.10 is: 797,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,878.67 : 1,935,050.72 = 531,306.10 : x
  2. Step 2: Convert to fraction form
    1,289,878.67/1,935,050.72 = 531,306.10/x
  3. Step 3: Cross multiply
    1,289,878.67x = 1,935,050.72 × 531,306.10
  4. Step 4: Simplify right side
    1,289,878.67x = 1,028,104,251,345.39
  5. Step 5: Solve for x
    x = 1,028,104,251,345.39/1,289,878.67
  6. Step 6: Final answer
    x = 797,055.01

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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.