Home / 884,913.80-1,328,061.90-411,657.80

Finding the Fourth Proportional to 884,913.80, 1,328,061.90 and 411,657.80

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Solution

The fourth proportional to 884,913.80, 1,328,061.90 and 411,657.80 is: 617,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,913.80 : 1,328,061.90 = 411,657.80 : x
  2. Step 2: Convert to fraction form
    884,913.80/1,328,061.90 = 411,657.80/x
  3. Step 3: Cross multiply
    884,913.80x = 1,328,061.90 × 411,657.80
  4. Step 4: Simplify right side
    884,913.80x = 546,707,040,017.82
  5. Step 5: Solve for x
    x = 546,707,040,017.82/884,913.80
  6. Step 6: Final answer
    x = 617,808.24

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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.