Home / 1,217,207.78-1,825,977.81-507,069.74

Finding the Fourth Proportional to 1,217,207.78, 1,825,977.81 and 507,069.74

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Solution

The fourth proportional to 1,217,207.78, 1,825,977.81 and 507,069.74 is: 760,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,207.78 : 1,825,977.81 = 507,069.74 : x
  2. Step 2: Convert to fraction form
    1,217,207.78/1,825,977.81 = 507,069.74/x
  3. Step 3: Cross multiply
    1,217,207.78x = 1,825,977.81 × 507,069.74
  4. Step 4: Simplify right side
    1,217,207.78x = 925,898,094,693.36
  5. Step 5: Solve for x
    x = 925,898,094,693.36/1,217,207.78
  6. Step 6: Final answer
    x = 760,673.82

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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.