Home / 847,123.34-1,270,933.54-341,424.68

Finding the Fourth Proportional to 847,123.34, 1,270,933.54 and 341,424.68

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Solution

The fourth proportional to 847,123.34, 1,270,933.54 and 341,424.68 is: 512,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,123.34 : 1,270,933.54 = 341,424.68 : x
  2. Step 2: Convert to fraction form
    847,123.34/1,270,933.54 = 341,424.68/x
  3. Step 3: Cross multiply
    847,123.34x = 1,270,933.54 × 341,424.68
  4. Step 4: Simplify right side
    847,123.34x = 433,928,077,195.77
  5. Step 5: Solve for x
    x = 433,928,077,195.77/847,123.34
  6. Step 6: Final answer
    x = 512,237.19

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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.