Home / 1,036,638.40-1,430,071.92-606,652.48

Finding the Fourth Proportional to 1,036,638.40, 1,430,071.92 and 606,652.48

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Solution

The fourth proportional to 1,036,638.40, 1,430,071.92 and 606,652.48 is: 836,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638.40 : 1,430,071.92 = 606,652.48 : x
  2. Step 2: Convert to fraction form
    1,036,638.40/1,430,071.92 = 606,652.48/x
  3. Step 3: Cross multiply
    1,036,638.40x = 1,430,071.92 × 606,652.48
  4. Step 4: Simplify right side
    1,036,638.40x = 867,556,676,846.36
  5. Step 5: Solve for x
    x = 867,556,676,846.36/1,036,638.40
  6. Step 6: Final answer
    x = 836,894.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.