Home / 1,205,282.02-1,663,309.60-661,468.41

Finding the Fourth Proportional to 1,205,282.02, 1,663,309.60 and 661,468.41

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Solution

The fourth proportional to 1,205,282.02, 1,663,309.60 and 661,468.41 is: 912,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,282.02 : 1,663,309.60 = 661,468.41 : x
  2. Step 2: Convert to fraction form
    1,205,282.02/1,663,309.60 = 661,468.41/x
  3. Step 3: Cross multiply
    1,205,282.02x = 1,663,309.60 × 661,468.41
  4. Step 4: Simplify right side
    1,205,282.02x = 1,100,226,748,133.19
  5. Step 5: Solve for x
    x = 1,100,226,748,133.19/1,205,282.02
  6. Step 6: Final answer
    x = 912,837.60

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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.