Home / 755,725.32-1,042,888.34-416,225.16

Finding the Fourth Proportional to 755,725.32, 1,042,888.34 and 416,225.16

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Solution

The fourth proportional to 755,725.32, 1,042,888.34 and 416,225.16 is: 574,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,725.32 : 1,042,888.34 = 416,225.16 : x
  2. Step 2: Convert to fraction form
    755,725.32/1,042,888.34 = 416,225.16/x
  3. Step 3: Cross multiply
    755,725.32x = 1,042,888.34 × 416,225.16
  4. Step 4: Simplify right side
    755,725.32x = 434,076,366,178.63
  5. Step 5: Solve for x
    x = 434,076,366,178.63/755,725.32
  6. Step 6: Final answer
    x = 574,383.78

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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.