Home / 450,865.58-676,045.02-308,870.96

Finding the Fourth Proportional to 450,865.58, 676,045.02 and 308,870.96

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Solution

The fourth proportional to 450,865.58, 676,045.02 and 308,870.96 is: 463,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,865.58 : 676,045.02 = 308,870.96 : x
  2. Step 2: Convert to fraction form
    450,865.58/676,045.02 = 308,870.96/x
  3. Step 3: Cross multiply
    450,865.58x = 676,045.02 × 308,870.96
  4. Step 4: Simplify right side
    450,865.58x = 208,810,674,330.62
  5. Step 5: Solve for x
    x = 208,810,674,330.62/450,865.58
  6. Step 6: Final answer
    x = 463,132.88

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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.