Home / 717,765.60-1,077,814.80-519,477.60

Finding the Fourth Proportional to 717,765.60, 1,077,814.80 and 519,477.60

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Solution

The fourth proportional to 717,765.60, 1,077,814.80 and 519,477.60 is: 780,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,765.60 : 1,077,814.80 = 519,477.60 : x
  2. Step 2: Convert to fraction form
    717,765.60/1,077,814.80 = 519,477.60/x
  3. Step 3: Cross multiply
    717,765.60x = 1,077,814.80 × 519,477.60
  4. Step 4: Simplify right side
    717,765.60x = 559,900,645,548.48
  5. Step 5: Solve for x
    x = 559,900,645,548.48/717,765.60
  6. Step 6: Final answer
    x = 780,060.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.