Home / 634,964.85-876,305.28-348,533.46

Finding the Fourth Proportional to 634,964.85, 876,305.28 and 348,533.46

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Solution

The fourth proportional to 634,964.85, 876,305.28 and 348,533.46 is: 481,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,964.85 : 876,305.28 = 348,533.46 : x
  2. Step 2: Convert to fraction form
    634,964.85/876,305.28 = 348,533.46/x
  3. Step 3: Cross multiply
    634,964.85x = 876,305.28 × 348,533.46
  4. Step 4: Simplify right side
    634,964.85x = 305,421,711,254.67
  5. Step 5: Solve for x
    x = 305,421,711,254.67/634,964.85
  6. Step 6: Final answer
    x = 481,005.70

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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.