Home / 559,118.12-771,562.63-304,463.72

Finding the Fourth Proportional to 559,118.12, 771,562.63 and 304,463.72

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Solution

The fourth proportional to 559,118.12, 771,562.63 and 304,463.72 is: 420,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,118.12 : 771,562.63 = 304,463.72 : x
  2. Step 2: Convert to fraction form
    559,118.12/771,562.63 = 304,463.72/x
  3. Step 3: Cross multiply
    559,118.12x = 771,562.63 × 304,463.72
  4. Step 4: Simplify right side
    559,118.12x = 234,912,823,923.81
  5. Step 5: Solve for x
    x = 234,912,823,923.81/559,118.12
  6. Step 6: Final answer
    x = 420,148.83

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1.5x scale

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.