Home / 1,657,749.76-2,287,643.52-932,637.76

Finding the Fourth Proportional to 1,657,749.76, 2,287,643.52 and 932,637.76

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Solution

The fourth proportional to 1,657,749.76, 2,287,643.52 and 932,637.76 is: 1,287,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,749.76 : 2,287,643.52 = 932,637.76 : x
  2. Step 2: Convert to fraction form
    1,657,749.76/2,287,643.52 = 932,637.76/x
  3. Step 3: Cross multiply
    1,657,749.76x = 2,287,643.52 × 932,637.76
  4. Step 4: Simplify right side
    1,657,749.76x = 2,133,542,728,171.32
  5. Step 5: Solve for x
    x = 2,133,542,728,171.32/1,657,749.76
  6. Step 6: Final answer
    x = 1,287,011.33

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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.