Home / 863,434.08-1,191,225.69-500,657.76

Finding the Fourth Proportional to 863,434.08, 1,191,225.69 and 500,657.76

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Solution

The fourth proportional to 863,434.08, 1,191,225.69 and 500,657.76 is: 690,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,434.08 : 1,191,225.69 = 500,657.76 : x
  2. Step 2: Convert to fraction form
    863,434.08/1,191,225.69 = 500,657.76/x
  3. Step 3: Cross multiply
    863,434.08x = 1,191,225.69 × 500,657.76
  4. Step 4: Simplify right side
    863,434.08x = 596,396,385,609.85
  5. Step 5: Solve for x
    x = 596,396,385,609.85/863,434.08
  6. Step 6: Final answer
    x = 690,726.02

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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.