Home / 559,188.15-771,011.79-456,836.55

Finding the Fourth Proportional to 559,188.15, 771,011.79 and 456,836.55

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Solution

The fourth proportional to 559,188.15, 771,011.79 and 456,836.55 is: 629,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,188.15 : 771,011.79 = 456,836.55 : x
  2. Step 2: Convert to fraction form
    559,188.15/771,011.79 = 456,836.55/x
  3. Step 3: Cross multiply
    559,188.15x = 771,011.79 × 456,836.55
  4. Step 4: Simplify right side
    559,188.15x = 352,226,366,152.93
  5. Step 5: Solve for x
    x = 352,226,366,152.93/559,188.15
  6. Step 6: Final answer
    x = 629,888.82

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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.