Home / 1,050,966.56-1,449,783.97-663,641.58

Finding the Fourth Proportional to 1,050,966.56, 1,449,783.97 and 663,641.58

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Solution

The fourth proportional to 1,050,966.56, 1,449,783.97 and 663,641.58 is: 915,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,966.56 : 1,449,783.97 = 663,641.58 : x
  2. Step 2: Convert to fraction form
    1,050,966.56/1,449,783.97 = 663,641.58/x
  3. Step 3: Cross multiply
    1,050,966.56x = 1,449,783.97 × 663,641.58
  4. Step 4: Simplify right side
    1,050,966.56x = 962,136,924,509.47
  5. Step 5: Solve for x
    x = 962,136,924,509.47/1,050,966.56
  6. Step 6: Final answer
    x = 915,478.15

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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.