Home / 886,707.40-1,330,233.90-381,267.40

Finding the Fourth Proportional to 886,707.40, 1,330,233.90 and 381,267.40

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Solution

The fourth proportional to 886,707.40, 1,330,233.90 and 381,267.40 is: 571,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,707.40 : 1,330,233.90 = 381,267.40 : x
  2. Step 2: Convert to fraction form
    886,707.40/1,330,233.90 = 381,267.40/x
  3. Step 3: Cross multiply
    886,707.40x = 1,330,233.90 × 381,267.40
  4. Step 4: Simplify right side
    886,707.40x = 507,174,820,444.86
  5. Step 5: Solve for x
    x = 507,174,820,444.86/886,707.40
  6. Step 6: Final answer
    x = 571,975.40

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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.