Home / 993,828.10-1,490,742.15-886,000.90

Finding the Fourth Proportional to 993,828.10, 1,490,742.15 and 886,000.90

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Solution

The fourth proportional to 993,828.10, 1,490,742.15 and 886,000.90 is: 1,329,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,828.10 : 1,490,742.15 = 886,000.90 : x
  2. Step 2: Convert to fraction form
    993,828.10/1,490,742.15 = 886,000.90/x
  3. Step 3: Cross multiply
    993,828.10x = 1,490,742.15 × 886,000.90
  4. Step 4: Simplify right side
    993,828.10x = 1,320,798,886,567.94
  5. Step 5: Solve for x
    x = 1,320,798,886,567.94/993,828.10
  6. Step 6: Final answer
    x = 1,329,001.35

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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.