Home / 1,320,592.11-1,980,158.25-409,521.93

Finding the Fourth Proportional to 1,320,592.11, 1,980,158.25 and 409,521.93

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Solution

The fourth proportional to 1,320,592.11, 1,980,158.25 and 409,521.93 is: 614,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,592.11 : 1,980,158.25 = 409,521.93 : x
  2. Step 2: Convert to fraction form
    1,320,592.11/1,980,158.25 = 409,521.93/x
  3. Step 3: Cross multiply
    1,320,592.11x = 1,980,158.25 × 409,521.93
  4. Step 4: Simplify right side
    1,320,592.11x = 810,918,220,051.98
  5. Step 5: Solve for x
    x = 810,918,220,051.98/1,320,592.11
  6. Step 6: Final answer
    x = 614,056.54

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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.