Home / 1,551,172.56-2,139,744-930,817.32

Finding the Fourth Proportional to 1,551,172.56, 2,139,744 and 930,817.32

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Solution

The fourth proportional to 1,551,172.56, 2,139,744 and 930,817.32 is: 1,284,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,172.56 : 2,139,744 = 930,817.32 : x
  2. Step 2: Convert to fraction form
    1,551,172.56/2,139,744 = 930,817.32/x
  3. Step 3: Cross multiply
    1,551,172.56x = 2,139,744 × 930,817.32
  4. Step 4: Simplify right side
    1,551,172.56x = 1,991,710,775,566.08
  5. Step 5: Solve for x
    x = 1,991,710,775,566.08/1,551,172.56
  6. Step 6: Final answer
    x = 1,284,003.36

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1.5x scale

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.