Home / 755,803.59-1,042,961.10-416,271.84

Finding the Fourth Proportional to 755,803.59, 1,042,961.10 and 416,271.84

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Solution

The fourth proportional to 755,803.59, 1,042,961.10 and 416,271.84 is: 574,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,803.59 : 1,042,961.10 = 416,271.84 : x
  2. Step 2: Convert to fraction form
    755,803.59/1,042,961.10 = 416,271.84/x
  3. Step 3: Cross multiply
    755,803.59x = 1,042,961.10 × 416,271.84
  4. Step 4: Simplify right side
    755,803.59x = 434,155,336,145.42
  5. Step 5: Solve for x
    x = 434,155,336,145.42/755,803.59
  6. Step 6: Final answer
    x = 574,428.78

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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.