Home / 1,115,707.72-1,539,681.22-606,409

Finding the Fourth Proportional to 1,115,707.72, 1,539,681.22 and 606,409

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Solution

The fourth proportional to 1,115,707.72, 1,539,681.22 and 606,409 is: 836,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,707.72 : 1,539,681.22 = 606,409 : x
  2. Step 2: Convert to fraction form
    1,115,707.72/1,539,681.22 = 606,409/x
  3. Step 3: Cross multiply
    1,115,707.72x = 1,539,681.22 × 606,409
  4. Step 4: Simplify right side
    1,115,707.72x = 933,676,548,938.98
  5. Step 5: Solve for x
    x = 933,676,548,938.98/1,115,707.72
  6. Step 6: Final answer
    x = 836,846.90

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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.