Home / 937,123.31-1,405,506.21-456,869.05

Finding the Fourth Proportional to 937,123.31, 1,405,506.21 and 456,869.05

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Solution

The fourth proportional to 937,123.31, 1,405,506.21 and 456,869.05 is: 685,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,123.31 : 1,405,506.21 = 456,869.05 : x
  2. Step 2: Convert to fraction form
    937,123.31/1,405,506.21 = 456,869.05/x
  3. Step 3: Cross multiply
    937,123.31x = 1,405,506.21 × 456,869.05
  4. Step 4: Simplify right side
    937,123.31x = 642,132,286,931.80
  5. Step 5: Solve for x
    x = 642,132,286,931.80/937,123.31
  6. Step 6: Final answer
    x = 685,216.43

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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.