Home / 991,875.80-1,487,813.70-593,744.60

Finding the Fourth Proportional to 991,875.80, 1,487,813.70 and 593,744.60

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Solution

The fourth proportional to 991,875.80, 1,487,813.70 and 593,744.60 is: 890,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,875.80 : 1,487,813.70 = 593,744.60 : x
  2. Step 2: Convert to fraction form
    991,875.80/1,487,813.70 = 593,744.60/x
  3. Step 3: Cross multiply
    991,875.80x = 1,487,813.70 × 593,744.60
  4. Step 4: Simplify right side
    991,875.80x = 883,381,350,181.02
  5. Step 5: Solve for x
    x = 883,381,350,181.02/991,875.80
  6. Step 6: Final answer
    x = 890,616.90

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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.