Home / 921,066.14-1,271,022.04-507,589.48

Finding the Fourth Proportional to 921,066.14, 1,271,022.04 and 507,589.48

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Solution

The fourth proportional to 921,066.14, 1,271,022.04 and 507,589.48 is: 700,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,066.14 : 1,271,022.04 = 507,589.48 : x
  2. Step 2: Convert to fraction form
    921,066.14/1,271,022.04 = 507,589.48/x
  3. Step 3: Cross multiply
    921,066.14x = 1,271,022.04 × 507,589.48
  4. Step 4: Simplify right side
    921,066.14x = 645,157,416,352.14
  5. Step 5: Solve for x
    x = 645,157,416,352.14/921,066.14
  6. Step 6: Final answer
    x = 700,446.35

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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.