Home / 1,686,341.44-2,529,545.10-620,835.04

Finding the Fourth Proportional to 1,686,341.44, 2,529,545.10 and 620,835.04

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Solution

The fourth proportional to 1,686,341.44, 2,529,545.10 and 620,835.04 is: 931,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,341.44 : 2,529,545.10 = 620,835.04 : x
  2. Step 2: Convert to fraction form
    1,686,341.44/2,529,545.10 = 620,835.04/x
  3. Step 3: Cross multiply
    1,686,341.44x = 2,529,545.10 × 620,835.04
  4. Step 4: Simplify right side
    1,686,341.44x = 1,570,430,233,340.30
  5. Step 5: Solve for x
    x = 1,570,430,233,340.30/1,686,341.44
  6. Step 6: Final answer
    x = 931,264.69

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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.