Home / 719,116.20-992,428.88-413,292.60

Finding the Fourth Proportional to 719,116.20, 992,428.88 and 413,292.60

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Solution

The fourth proportional to 719,116.20, 992,428.88 and 413,292.60 is: 570,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,116.20 : 992,428.88 = 413,292.60 : x
  2. Step 2: Convert to fraction form
    719,116.20/992,428.88 = 413,292.60/x
  3. Step 3: Cross multiply
    719,116.20x = 992,428.88 × 413,292.60
  4. Step 4: Simplify right side
    719,116.20x = 410,163,510,063.83
  5. Step 5: Solve for x
    x = 410,163,510,063.83/719,116.20
  6. Step 6: Final answer
    x = 570,371.67

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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.