Home / 1,416,565.45-1,954,803.34-771,971.70

Finding the Fourth Proportional to 1,416,565.45, 1,954,803.34 and 771,971.70

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Solution

The fourth proportional to 1,416,565.45, 1,954,803.34 and 771,971.70 is: 1,065,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,565.45 : 1,954,803.34 = 771,971.70 : x
  2. Step 2: Convert to fraction form
    1,416,565.45/1,954,803.34 = 771,971.70/x
  3. Step 3: Cross multiply
    1,416,565.45x = 1,954,803.34 × 771,971.70
  4. Step 4: Simplify right side
    1,416,565.45x = 1,509,052,857,545.48
  5. Step 5: Solve for x
    x = 1,509,052,857,545.48/1,416,565.45
  6. Step 6: Final answer
    x = 1,065,289.89

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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.