Home / 1,201,071.30-1,657,464.30-657,200.88

Finding the Fourth Proportional to 1,201,071.30, 1,657,464.30 and 657,200.88

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Solution

The fourth proportional to 1,201,071.30, 1,657,464.30 and 657,200.88 is: 906,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,071.30 : 1,657,464.30 = 657,200.88 : x
  2. Step 2: Convert to fraction form
    1,201,071.30/1,657,464.30 = 657,200.88/x
  3. Step 3: Cross multiply
    1,201,071.30x = 1,657,464.30 × 657,200.88
  4. Step 4: Simplify right side
    1,201,071.30x = 1,089,286,996,528.58
  5. Step 5: Solve for x
    x = 1,089,286,996,528.58/1,201,071.30
  6. Step 6: Final answer
    x = 906,929.50

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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.