Home / 876,070.91-1,209,236.42-513,573.23

Finding the Fourth Proportional to 876,070.91, 1,209,236.42 and 513,573.23

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Solution

The fourth proportional to 876,070.91, 1,209,236.42 and 513,573.23 is: 708,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,070.91 : 1,209,236.42 = 513,573.23 : x
  2. Step 2: Convert to fraction form
    876,070.91/1,209,236.42 = 513,573.23/x
  3. Step 3: Cross multiply
    876,070.91x = 1,209,236.42 × 513,573.23
  4. Step 4: Simplify right side
    876,070.91x = 621,031,458,360.06
  5. Step 5: Solve for x
    x = 621,031,458,360.06/876,070.91
  6. Step 6: Final answer
    x = 708,882.64

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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.