Home / 559,337.20-771,881.39-304,688.38

Finding the Fourth Proportional to 559,337.20, 771,881.39 and 304,688.38

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Solution

The fourth proportional to 559,337.20, 771,881.39 and 304,688.38 is: 420,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,337.20 : 771,881.39 = 304,688.38 : x
  2. Step 2: Convert to fraction form
    559,337.20/771,881.39 = 304,688.38/x
  3. Step 3: Cross multiply
    559,337.20x = 771,881.39 × 304,688.38
  4. Step 4: Simplify right side
    559,337.20x = 235,183,290,271.25
  5. Step 5: Solve for x
    x = 235,183,290,271.25/559,337.20
  6. Step 6: Final answer
    x = 420,467.81

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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.