Home / 532,028.04-734,200.78-290,315.60

Finding the Fourth Proportional to 532,028.04, 734,200.78 and 290,315.60

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Solution

The fourth proportional to 532,028.04, 734,200.78 and 290,315.60 is: 400,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,028.04 : 734,200.78 = 290,315.60 : x
  2. Step 2: Convert to fraction form
    532,028.04/734,200.78 = 290,315.60/x
  3. Step 3: Cross multiply
    532,028.04x = 734,200.78 × 290,315.60
  4. Step 4: Simplify right side
    532,028.04x = 213,149,939,966.17
  5. Step 5: Solve for x
    x = 213,149,939,966.17/532,028.04
  6. Step 6: Final answer
    x = 400,636.67

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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.