Home / 877,057.98-1,211,501.61-705,621.78

Finding the Fourth Proportional to 877,057.98, 1,211,501.61 and 705,621.78

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Solution

The fourth proportional to 877,057.98, 1,211,501.61 and 705,621.78 is: 974,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,057.98 : 1,211,501.61 = 705,621.78 : x
  2. Step 2: Convert to fraction form
    877,057.98/1,211,501.61 = 705,621.78/x
  3. Step 3: Cross multiply
    877,057.98x = 1,211,501.61 × 705,621.78
  4. Step 4: Simplify right side
    877,057.98x = 854,861,922,521.07
  5. Step 5: Solve for x
    x = 854,861,922,521.07/877,057.98
  6. Step 6: Final answer
    x = 974,692.60

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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.