Home / 749,123.76-1,033,790.79-409,592.01

Finding the Fourth Proportional to 749,123.76, 1,033,790.79 and 409,592.01

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Solution

The fourth proportional to 749,123.76, 1,033,790.79 and 409,592.01 is: 565,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,123.76 : 1,033,790.79 = 409,592.01 : x
  2. Step 2: Convert to fraction form
    749,123.76/1,033,790.79 = 409,592.01/x
  3. Step 3: Cross multiply
    749,123.76x = 1,033,790.79 × 409,592.01
  4. Step 4: Simplify right side
    749,123.76x = 423,432,447,595.59
  5. Step 5: Solve for x
    x = 423,432,447,595.59/749,123.76
  6. Step 6: Final answer
    x = 565,236.97

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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.