Home / 1,120,999.16-1,546,574.64-862,955

Finding the Fourth Proportional to 1,120,999.16, 1,546,574.64 and 862,955

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Solution

The fourth proportional to 1,120,999.16, 1,546,574.64 and 862,955 is: 1,190,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,999.16 : 1,546,574.64 = 862,955 : x
  2. Step 2: Convert to fraction form
    1,120,999.16/1,546,574.64 = 862,955/x
  3. Step 3: Cross multiply
    1,120,999.16x = 1,546,574.64 × 862,955
  4. Step 4: Simplify right side
    1,120,999.16x = 1,334,624,318,461.20
  5. Step 5: Solve for x
    x = 1,334,624,318,461.20/1,120,999.16
  6. Step 6: Final answer
    x = 1,190,566.74

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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.