Home / 734,069.48-1,100,748.22-430,562.81

Finding the Fourth Proportional to 734,069.48, 1,100,748.22 and 430,562.81

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Solution

The fourth proportional to 734,069.48, 1,100,748.22 and 430,562.81 is: 645,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,069.48 : 1,100,748.22 = 430,562.81 : x
  2. Step 2: Convert to fraction form
    734,069.48/1,100,748.22 = 430,562.81/x
  3. Step 3: Cross multiply
    734,069.48x = 1,100,748.22 × 430,562.81
  4. Step 4: Simplify right side
    734,069.48x = 473,941,248,381.16
  5. Step 5: Solve for x
    x = 473,941,248,381.16/734,069.48
  6. Step 6: Final answer
    x = 645,635.41

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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.