Home / 1,663,897.10-2,496,169.16-639,152.46

Finding the Fourth Proportional to 1,663,897.10, 2,496,169.16 and 639,152.46

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Solution

The fourth proportional to 1,663,897.10, 2,496,169.16 and 639,152.46 is: 958,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,897.10 : 2,496,169.16 = 639,152.46 : x
  2. Step 2: Convert to fraction form
    1,663,897.10/2,496,169.16 = 639,152.46/x
  3. Step 3: Cross multiply
    1,663,897.10x = 2,496,169.16 × 639,152.46
  4. Step 4: Simplify right side
    1,663,897.10x = 1,595,432,655,994.37
  5. Step 5: Solve for x
    x = 1,595,432,655,994.37/1,663,897.10
  6. Step 6: Final answer
    x = 958,852.96

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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.