Home / 705,033.21-972,957.57-382,743.30

Finding the Fourth Proportional to 705,033.21, 972,957.57 and 382,743.30

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Solution

The fourth proportional to 705,033.21, 972,957.57 and 382,743.30 is: 528,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,033.21 : 972,957.57 = 382,743.30 : x
  2. Step 2: Convert to fraction form
    705,033.21/972,957.57 = 382,743.30/x
  3. Step 3: Cross multiply
    705,033.21x = 972,957.57 × 382,743.30
  4. Step 4: Simplify right side
    705,033.21x = 372,392,992,731.57
  5. Step 5: Solve for x
    x = 372,392,992,731.57/705,033.21
  6. Step 6: Final answer
    x = 528,192.13

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Double scale
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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.