Home / 735,899.40-1,103,885.55-381,605.40

Finding the Fourth Proportional to 735,899.40, 1,103,885.55 and 381,605.40

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Solution

The fourth proportional to 735,899.40, 1,103,885.55 and 381,605.40 is: 572,427.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,899.40 : 1,103,885.55 = 381,605.40 : x
  2. Step 2: Convert to fraction form
    735,899.40/1,103,885.55 = 381,605.40/x
  3. Step 3: Cross multiply
    735,899.40x = 1,103,885.55 × 381,605.40
  4. Step 4: Simplify right side
    735,899.40x = 421,248,686,861.97
  5. Step 5: Solve for x
    x = 421,248,686,861.97/735,899.40
  6. Step 6: Final answer
    x = 572,427.00

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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.