Home / 813,803.44-1,122,826.17-486,984.91

Finding the Fourth Proportional to 813,803.44, 1,122,826.17 and 486,984.91

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Solution

The fourth proportional to 813,803.44, 1,122,826.17 and 486,984.91 is: 671,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,803.44 : 1,122,826.17 = 486,984.91 : x
  2. Step 2: Convert to fraction form
    813,803.44/1,122,826.17 = 486,984.91/x
  3. Step 3: Cross multiply
    813,803.44x = 1,122,826.17 × 486,984.91
  4. Step 4: Simplify right side
    813,803.44x = 546,799,401,343.10
  5. Step 5: Solve for x
    x = 546,799,401,343.10/813,803.44
  6. Step 6: Final answer
    x = 671,905.98

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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.