Home / 1,098,073.80-1,645,881.90-624,985.80

Finding the Fourth Proportional to 1,098,073.80, 1,645,881.90 and 624,985.80

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Solution

The fourth proportional to 1,098,073.80, 1,645,881.90 and 624,985.80 is: 936,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,073.80 : 1,645,881.90 = 624,985.80 : x
  2. Step 2: Convert to fraction form
    1,098,073.80/1,645,881.90 = 624,985.80/x
  3. Step 3: Cross multiply
    1,098,073.80x = 1,645,881.90 × 624,985.80
  4. Step 4: Simplify right side
    1,098,073.80x = 1,028,652,815,977.02
  5. Step 5: Solve for x
    x = 1,028,652,815,977.02/1,098,073.80
  6. Step 6: Final answer
    x = 936,779.31

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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.