Home / 1,719,587.40-2,579,402.70-521,521.80

Finding the Fourth Proportional to 1,719,587.40, 2,579,402.70 and 521,521.80

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Solution

The fourth proportional to 1,719,587.40, 2,579,402.70 and 521,521.80 is: 782,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,587.40 : 2,579,402.70 = 521,521.80 : x
  2. Step 2: Convert to fraction form
    1,719,587.40/2,579,402.70 = 521,521.80/x
  3. Step 3: Cross multiply
    1,719,587.40x = 2,579,402.70 × 521,521.80
  4. Step 4: Simplify right side
    1,719,587.40x = 1,345,214,739,028.86
  5. Step 5: Solve for x
    x = 1,345,214,739,028.86/1,719,587.40
  6. Step 6: Final answer
    x = 782,289.25

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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.