Home / 865,829.65-1,194,741.40-478,592.77

Finding the Fourth Proportional to 865,829.65, 1,194,741.40 and 478,592.77

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Solution

The fourth proportional to 865,829.65, 1,194,741.40 and 478,592.77 is: 660,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,829.65 : 1,194,741.40 = 478,592.77 : x
  2. Step 2: Convert to fraction form
    865,829.65/1,194,741.40 = 478,592.77/x
  3. Step 3: Cross multiply
    865,829.65x = 1,194,741.40 × 478,592.77
  4. Step 4: Simplify right side
    865,829.65x = 571,794,596,059.68
  5. Step 5: Solve for x
    x = 571,794,596,059.68/865,829.65
  6. Step 6: Final answer
    x = 660,400.80

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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.