Home / 559,320.12-771,864.66-304,671.24

Finding the Fourth Proportional to 559,320.12, 771,864.66 and 304,671.24

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Solution

The fourth proportional to 559,320.12, 771,864.66 and 304,671.24 is: 420,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,320.12 : 771,864.66 = 304,671.24 : x
  2. Step 2: Convert to fraction form
    559,320.12/771,864.66 = 304,671.24/x
  3. Step 3: Cross multiply
    559,320.12x = 771,864.66 × 304,671.24
  4. Step 4: Simplify right side
    559,320.12x = 235,164,963,074.38
  5. Step 5: Solve for x
    x = 235,164,963,074.38/559,320.12
  6. Step 6: Final answer
    x = 420,447.89

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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.