Home / 1,611,534.32-2,223,918.50-886,437.20

Finding the Fourth Proportional to 1,611,534.32, 2,223,918.50 and 886,437.20

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Solution

The fourth proportional to 1,611,534.32, 2,223,918.50 and 886,437.20 is: 1,223,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,534.32 : 2,223,918.50 = 886,437.20 : x
  2. Step 2: Convert to fraction form
    1,611,534.32/2,223,918.50 = 886,437.20/x
  3. Step 3: Cross multiply
    1,611,534.32x = 2,223,918.50 × 886,437.20
  4. Step 4: Simplify right side
    1,611,534.32x = 1,971,364,094,282.02
  5. Step 5: Solve for x
    x = 1,971,364,094,282.02/1,611,534.32
  6. Step 6: Final answer
    x = 1,223,283.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.