Home / 755,772.76-1,043,013.58-416,240.92

Finding the Fourth Proportional to 755,772.76, 1,043,013.58 and 416,240.92

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Solution

The fourth proportional to 755,772.76, 1,043,013.58 and 416,240.92 is: 574,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,772.76 : 1,043,013.58 = 416,240.92 : x
  2. Step 2: Convert to fraction form
    755,772.76/1,043,013.58 = 416,240.92/x
  3. Step 3: Cross multiply
    755,772.76x = 1,043,013.58 × 416,240.92
  4. Step 4: Simplify right side
    755,772.76x = 434,144,932,111.69
  5. Step 5: Solve for x
    x = 434,144,932,111.69/755,772.76
  6. Step 6: Final answer
    x = 574,438.45

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Half scale
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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.