Home / 1,867,853.51-2,801,501.42-519,875.55

Finding the Fourth Proportional to 1,867,853.51, 2,801,501.42 and 519,875.55

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Solution

The fourth proportional to 1,867,853.51, 2,801,501.42 and 519,875.55 is: 779,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,853.51 : 2,801,501.42 = 519,875.55 : x
  2. Step 2: Convert to fraction form
    1,867,853.51/2,801,501.42 = 519,875.55/x
  3. Step 3: Cross multiply
    1,867,853.51x = 2,801,501.42 × 519,875.55
  4. Step 4: Simplify right side
    1,867,853.51x = 1,456,432,088,948.90
  5. Step 5: Solve for x
    x = 1,456,432,088,948.90/1,867,853.51
  6. Step 6: Final answer
    x = 779,735.72

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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.