Home / 879,865.34-1,214,214.14-477,457.34

Finding the Fourth Proportional to 879,865.34, 1,214,214.14 and 477,457.34

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Solution

The fourth proportional to 879,865.34, 1,214,214.14 and 477,457.34 is: 658,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,865.34 : 1,214,214.14 = 477,457.34 : x
  2. Step 2: Convert to fraction form
    879,865.34/1,214,214.14 = 477,457.34/x
  3. Step 3: Cross multiply
    879,865.34x = 1,214,214.14 × 477,457.34
  4. Step 4: Simplify right side
    879,865.34x = 579,735,448,597.36
  5. Step 5: Solve for x
    x = 579,735,448,597.36/879,865.34
  6. Step 6: Final answer
    x = 658,891.11

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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.