Home / 581,975.40-873,619.20-449,443.20

Finding the Fourth Proportional to 581,975.40, 873,619.20 and 449,443.20

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Solution

The fourth proportional to 581,975.40, 873,619.20 and 449,443.20 is: 674,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,975.40 : 873,619.20 = 449,443.20 : x
  2. Step 2: Convert to fraction form
    581,975.40/873,619.20 = 449,443.20/x
  3. Step 3: Cross multiply
    581,975.40x = 873,619.20 × 449,443.20
  4. Step 4: Simplify right side
    581,975.40x = 392,642,208,829.44
  5. Step 5: Solve for x
    x = 392,642,208,829.44/581,975.40
  6. Step 6: Final answer
    x = 674,671.49

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Double scale
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1.5x scale

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.