Home / 866,060.88-1,195,139.27-478,869.63

Finding the Fourth Proportional to 866,060.88, 1,195,139.27 and 478,869.63

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Solution

The fourth proportional to 866,060.88, 1,195,139.27 and 478,869.63 is: 660,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,060.88 : 1,195,139.27 = 478,869.63 : x
  2. Step 2: Convert to fraction form
    866,060.88/1,195,139.27 = 478,869.63/x
  3. Step 3: Cross multiply
    866,060.88x = 1,195,139.27 × 478,869.63
  4. Step 4: Simplify right side
    866,060.88x = 572,315,900,023.37
  5. Step 5: Solve for x
    x = 572,315,900,023.37/866,060.88
  6. Step 6: Final answer
    x = 660,826.41

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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.