Home / 926,847.87-1,390,225.67-542,812.55

Finding the Fourth Proportional to 926,847.87, 1,390,225.67 and 542,812.55

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Solution

The fourth proportional to 926,847.87, 1,390,225.67 and 542,812.55 is: 814,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,847.87 : 1,390,225.67 = 542,812.55 : x
  2. Step 2: Convert to fraction form
    926,847.87/1,390,225.67 = 542,812.55/x
  3. Step 3: Cross multiply
    926,847.87x = 1,390,225.67 × 542,812.55
  4. Step 4: Simplify right side
    926,847.87x = 754,631,933,592.63
  5. Step 5: Solve for x
    x = 754,631,933,592.63/926,847.87
  6. Step 6: Final answer
    x = 814,191.80

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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.