Home / 1,205,130.33-1,663,024.20-661,252.59

Finding the Fourth Proportional to 1,205,130.33, 1,663,024.20 and 661,252.59

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Solution

The fourth proportional to 1,205,130.33, 1,663,024.20 and 661,252.59 is: 912,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,130.33 : 1,663,024.20 = 661,252.59 : x
  2. Step 2: Convert to fraction form
    1,205,130.33/1,663,024.20 = 661,252.59/x
  3. Step 3: Cross multiply
    1,205,130.33x = 1,663,024.20 × 661,252.59
  4. Step 4: Simplify right side
    1,205,130.33x = 1,099,679,059,482.68
  5. Step 5: Solve for x
    x = 1,099,679,059,482.68/1,205,130.33
  6. Step 6: Final answer
    x = 912,498.04

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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.