Home / 877,047.85-1,211,487.60-705,611.66

Finding the Fourth Proportional to 877,047.85, 1,211,487.60 and 705,611.66

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Solution

The fourth proportional to 877,047.85, 1,211,487.60 and 705,611.66 is: 974,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,047.85 : 1,211,487.60 = 705,611.66 : x
  2. Step 2: Convert to fraction form
    877,047.85/1,211,487.60 = 705,611.66/x
  3. Step 3: Cross multiply
    877,047.85x = 1,211,487.60 × 705,611.66
  4. Step 4: Simplify right side
    877,047.85x = 854,839,773,094.02
  5. Step 5: Solve for x
    x = 854,839,773,094.02/877,047.85
  6. Step 6: Final answer
    x = 974,678.60

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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.