Home / 705,131.47-973,081.39-382,841.60

Finding the Fourth Proportional to 705,131.47, 973,081.39 and 382,841.60

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Solution

The fourth proportional to 705,131.47, 973,081.39 and 382,841.60 is: 528,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,131.47 : 973,081.39 = 382,841.60 : x
  2. Step 2: Convert to fraction form
    705,131.47/973,081.39 = 382,841.60/x
  3. Step 3: Cross multiply
    705,131.47x = 973,081.39 × 382,841.60
  4. Step 4: Simplify right side
    705,131.47x = 372,536,038,710.53
  5. Step 5: Solve for x
    x = 372,536,038,710.53/705,131.47
  6. Step 6: Final answer
    x = 528,321.39

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Double scale
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Similar ratio
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1.5x scale

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.