Home / 706,780.65-1,060,166.11-286,050.45

Finding the Fourth Proportional to 706,780.65, 1,060,166.11 and 286,050.45

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Solution

The fourth proportional to 706,780.65, 1,060,166.11 and 286,050.45 is: 429,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,780.65 : 1,060,166.11 = 286,050.45 : x
  2. Step 2: Convert to fraction form
    706,780.65/1,060,166.11 = 286,050.45/x
  3. Step 3: Cross multiply
    706,780.65x = 1,060,166.11 × 286,050.45
  4. Step 4: Simplify right side
    706,780.65x = 303,260,986,824.29
  5. Step 5: Solve for x
    x = 303,260,986,824.29/706,780.65
  6. Step 6: Final answer
    x = 429,073.70

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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.