Home / 914,508.44-1,262,021.40-506,636.76

Finding the Fourth Proportional to 914,508.44, 1,262,021.40 and 506,636.76

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Solution

The fourth proportional to 914,508.44, 1,262,021.40 and 506,636.76 is: 699,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,508.44 : 1,262,021.40 = 506,636.76 : x
  2. Step 2: Convert to fraction form
    914,508.44/1,262,021.40 = 506,636.76/x
  3. Step 3: Cross multiply
    914,508.44x = 1,262,021.40 × 506,636.76
  4. Step 4: Simplify right side
    914,508.44x = 639,386,433,146.66
  5. Step 5: Solve for x
    x = 639,386,433,146.66/914,508.44
  6. Step 6: Final answer
    x = 699,158.59

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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.