Home / 1,043,140.60-1,564,783.80-411,972.40

Finding the Fourth Proportional to 1,043,140.60, 1,564,783.80 and 411,972.40

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Solution

The fourth proportional to 1,043,140.60, 1,564,783.80 and 411,972.40 is: 617,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,140.60 : 1,564,783.80 = 411,972.40 : x
  2. Step 2: Convert to fraction form
    1,043,140.60/1,564,783.80 = 411,972.40/x
  3. Step 3: Cross multiply
    1,043,140.60x = 1,564,783.80 × 411,972.40
  4. Step 4: Simplify right side
    1,043,140.60x = 644,647,737,567.12
  5. Step 5: Solve for x
    x = 644,647,737,567.12/1,043,140.60
  6. Step 6: Final answer
    x = 617,987.39

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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.