Home / 953,269.47-1,430,101.17-279,372.83

Finding the Fourth Proportional to 953,269.47, 1,430,101.17 and 279,372.83

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Solution

The fourth proportional to 953,269.47, 1,430,101.17 and 279,372.83 is: 419,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,269.47 : 1,430,101.17 = 279,372.83 : x
  2. Step 2: Convert to fraction form
    953,269.47/1,430,101.17 = 279,372.83/x
  3. Step 3: Cross multiply
    953,269.47x = 1,430,101.17 × 279,372.83
  4. Step 4: Simplify right side
    953,269.47x = 399,531,403,898.71
  5. Step 5: Solve for x
    x = 399,531,403,898.71/953,269.47
  6. Step 6: Final answer
    x = 419,116.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.