Home / 755,756.76-1,042,991.46-416,224.92

Finding the Fourth Proportional to 755,756.76, 1,042,991.46 and 416,224.92

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Solution

The fourth proportional to 755,756.76, 1,042,991.46 and 416,224.92 is: 574,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,756.76 : 1,042,991.46 = 416,224.92 : x
  2. Step 2: Convert to fraction form
    755,756.76/1,042,991.46 = 416,224.92/x
  3. Step 3: Cross multiply
    755,756.76x = 1,042,991.46 × 416,224.92
  4. Step 4: Simplify right side
    755,756.76x = 434,119,036,999.18
  5. Step 5: Solve for x
    x = 434,119,036,999.18/755,756.76
  6. Step 6: Final answer
    x = 574,416.35

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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.