Home / 920,374.19-1,380,099.30-536,247.38

Finding the Fourth Proportional to 920,374.19, 1,380,099.30 and 536,247.38

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Solution

The fourth proportional to 920,374.19, 1,380,099.30 and 536,247.38 is: 804,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,374.19 : 1,380,099.30 = 536,247.38 : x
  2. Step 2: Convert to fraction form
    920,374.19/1,380,099.30 = 536,247.38/x
  3. Step 3: Cross multiply
    920,374.19x = 1,380,099.30 × 536,247.38
  4. Step 4: Simplify right side
    920,374.19x = 740,074,626,864.34
  5. Step 5: Solve for x
    x = 740,074,626,864.34/920,374.19
  6. Step 6: Final answer
    x = 804,101.90

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1.5x scale

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.