Home / 863,897.04-1,295,845.70-442,904.40

Finding the Fourth Proportional to 863,897.04, 1,295,845.70 and 442,904.40

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Solution

The fourth proportional to 863,897.04, 1,295,845.70 and 442,904.40 is: 664,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,897.04 : 1,295,845.70 = 442,904.40 : x
  2. Step 2: Convert to fraction form
    863,897.04/1,295,845.70 = 442,904.40/x
  3. Step 3: Cross multiply
    863,897.04x = 1,295,845.70 × 442,904.40
  4. Step 4: Simplify right side
    863,897.04x = 573,935,762,251.08
  5. Step 5: Solve for x
    x = 573,935,762,251.08/863,897.04
  6. Step 6: Final answer
    x = 664,356.67

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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.