Home / 1,105,865.40-1,657,485.90-573,112.20

Finding the Fourth Proportional to 1,105,865.40, 1,657,485.90 and 573,112.20

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Solution

The fourth proportional to 1,105,865.40, 1,657,485.90 and 573,112.20 is: 858,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,865.40 : 1,657,485.90 = 573,112.20 : x
  2. Step 2: Convert to fraction form
    1,105,865.40/1,657,485.90 = 573,112.20/x
  3. Step 3: Cross multiply
    1,105,865.40x = 1,657,485.90 × 573,112.20
  4. Step 4: Simplify right side
    1,105,865.40x = 949,925,390,617.98
  5. Step 5: Solve for x
    x = 949,925,390,617.98/1,105,865.40
  6. Step 6: Final answer
    x = 858,988.26

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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.