Home / 559,036.06-771,479.10-317,326.04

Finding the Fourth Proportional to 559,036.06, 771,479.10 and 317,326.04

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Solution

The fourth proportional to 559,036.06, 771,479.10 and 317,326.04 is: 437,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,036.06 : 771,479.10 = 317,326.04 : x
  2. Step 2: Convert to fraction form
    559,036.06/771,479.10 = 317,326.04/x
  3. Step 3: Cross multiply
    559,036.06x = 771,479.10 × 317,326.04
  4. Step 4: Simplify right side
    559,036.06x = 244,810,407,745.76
  5. Step 5: Solve for x
    x = 244,810,407,745.76/559,036.06
  6. Step 6: Final answer
    x = 437,915.24

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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.