Home / 876,729.76-1,209,818.16-537,151.84

Finding the Fourth Proportional to 876,729.76, 1,209,818.16 and 537,151.84

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Solution

The fourth proportional to 876,729.76, 1,209,818.16 and 537,151.84 is: 741,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,729.76 : 1,209,818.16 = 537,151.84 : x
  2. Step 2: Convert to fraction form
    876,729.76/1,209,818.16 = 537,151.84/x
  3. Step 3: Cross multiply
    876,729.76x = 1,209,818.16 × 537,151.84
  4. Step 4: Simplify right side
    876,729.76x = 649,856,050,709.41
  5. Step 5: Solve for x
    x = 649,856,050,709.41/876,729.76
  6. Step 6: Final answer
    x = 741,227.32

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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.