Home / 1,070,645.43-1,605,459.63-621,504.06

Finding the Fourth Proportional to 1,070,645.43, 1,605,459.63 and 621,504.06

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Solution

The fourth proportional to 1,070,645.43, 1,605,459.63 and 621,504.06 is: 931,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,645.43 : 1,605,459.63 = 621,504.06 : x
  2. Step 2: Convert to fraction form
    1,070,645.43/1,605,459.63 = 621,504.06/x
  3. Step 3: Cross multiply
    1,070,645.43x = 1,605,459.63 × 621,504.06
  4. Step 4: Simplify right side
    1,070,645.43x = 997,799,678,211.10
  5. Step 5: Solve for x
    x = 997,799,678,211.10/1,070,645.43
  6. Step 6: Final answer
    x = 931,960.90

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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.