Home / 1,108,872.02-1,663,487.40-434,587.52

Finding the Fourth Proportional to 1,108,872.02, 1,663,487.40 and 434,587.52

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Solution

The fourth proportional to 1,108,872.02, 1,663,487.40 and 434,587.52 is: 651,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,872.02 : 1,663,487.40 = 434,587.52 : x
  2. Step 2: Convert to fraction form
    1,108,872.02/1,663,487.40 = 434,587.52/x
  3. Step 3: Cross multiply
    1,108,872.02x = 1,663,487.40 × 434,587.52
  4. Step 4: Simplify right side
    1,108,872.02x = 722,930,863,717.25
  5. Step 5: Solve for x
    x = 722,930,863,717.25/1,108,872.02
  6. Step 6: Final answer
    x = 651,951.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.