Home / 1,591,388.19-2,386,209.92-630,870.75

Finding the Fourth Proportional to 1,591,388.19, 2,386,209.92 and 630,870.75

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Solution

The fourth proportional to 1,591,388.19, 2,386,209.92 and 630,870.75 is: 945,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,388.19 : 2,386,209.92 = 630,870.75 : x
  2. Step 2: Convert to fraction form
    1,591,388.19/2,386,209.92 = 630,870.75/x
  3. Step 3: Cross multiply
    1,591,388.19x = 2,386,209.92 × 630,870.75
  4. Step 4: Simplify right side
    1,591,388.19x = 1,505,390,038,733.49
  5. Step 5: Solve for x
    x = 1,505,390,038,733.49/1,591,388.19
  6. Step 6: Final answer
    x = 945,960.29

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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.