Home / 626,588.56-864,669.06-340,102.60

Finding the Fourth Proportional to 626,588.56, 864,669.06 and 340,102.60

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Solution

The fourth proportional to 626,588.56, 864,669.06 and 340,102.60 is: 469,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,588.56 : 864,669.06 = 340,102.60 : x
  2. Step 2: Convert to fraction form
    626,588.56/864,669.06 = 340,102.60/x
  3. Step 3: Cross multiply
    626,588.56x = 864,669.06 × 340,102.60
  4. Step 4: Simplify right side
    626,588.56x = 294,076,195,445.56
  5. Step 5: Solve for x
    x = 294,076,195,445.56/626,588.56
  6. Step 6: Final answer
    x = 469,329.02

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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.