Home / 877,941.26-1,211,554.74-490,756.60

Finding the Fourth Proportional to 877,941.26, 1,211,554.74 and 490,756.60

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Solution

The fourth proportional to 877,941.26, 1,211,554.74 and 490,756.60 is: 677,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,941.26 : 1,211,554.74 = 490,756.60 : x
  2. Step 2: Convert to fraction form
    877,941.26/1,211,554.74 = 490,756.60/x
  3. Step 3: Cross multiply
    877,941.26x = 1,211,554.74 × 490,756.60
  4. Step 4: Simplify right side
    877,941.26x = 594,578,484,916.28
  5. Step 5: Solve for x
    x = 594,578,484,916.28/877,941.26
  6. Step 6: Final answer
    x = 677,241.76

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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.