Home / 559,548.24-772,152.39-317,830.08

Finding the Fourth Proportional to 559,548.24, 772,152.39 and 317,830.08

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Solution

The fourth proportional to 559,548.24, 772,152.39 and 317,830.08 is: 438,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,548.24 : 772,152.39 = 317,830.08 : x
  2. Step 2: Convert to fraction form
    559,548.24/772,152.39 = 317,830.08/x
  3. Step 3: Cross multiply
    559,548.24x = 772,152.39 × 317,830.08
  4. Step 4: Simplify right side
    559,548.24x = 245,413,255,885.89
  5. Step 5: Solve for x
    x = 245,413,255,885.89/559,548.24
  6. Step 6: Final answer
    x = 438,591.78

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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.