Home / 1,621,495.72-2,432,301.36-556,530.40

Finding the Fourth Proportional to 1,621,495.72, 2,432,301.36 and 556,530.40

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Solution

The fourth proportional to 1,621,495.72, 2,432,301.36 and 556,530.40 is: 834,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,495.72 : 2,432,301.36 = 556,530.40 : x
  2. Step 2: Convert to fraction form
    1,621,495.72/2,432,301.36 = 556,530.40/x
  3. Step 3: Cross multiply
    1,621,495.72x = 2,432,301.36 × 556,530.40
  4. Step 4: Simplify right side
    1,621,495.72x = 1,353,649,648,801.34
  5. Step 5: Solve for x
    x = 1,353,649,648,801.34/1,621,495.72
  6. Step 6: Final answer
    x = 834,815.43

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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.