Home / 623,847.40-936,095.10-291,423.40

Finding the Fourth Proportional to 623,847.40, 936,095.10 and 291,423.40

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Solution

The fourth proportional to 623,847.40, 936,095.10 and 291,423.40 is: 437,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,847.40 : 936,095.10 = 291,423.40 : x
  2. Step 2: Convert to fraction form
    623,847.40/936,095.10 = 291,423.40/x
  3. Step 3: Cross multiply
    623,847.40x = 936,095.10 × 291,423.40
  4. Step 4: Simplify right side
    623,847.40x = 272,800,016,765.34
  5. Step 5: Solve for x
    x = 272,800,016,765.34/623,847.40
  6. Step 6: Final answer
    x = 437,286.45

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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.