Home / 626,659.49-864,795.18-347,261.35

Finding the Fourth Proportional to 626,659.49, 864,795.18 and 347,261.35

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Solution

The fourth proportional to 626,659.49, 864,795.18 and 347,261.35 is: 479,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,659.49 : 864,795.18 = 347,261.35 : x
  2. Step 2: Convert to fraction form
    626,659.49/864,795.18 = 347,261.35/x
  3. Step 3: Cross multiply
    626,659.49x = 864,795.18 × 347,261.35
  4. Step 4: Simplify right side
    626,659.49x = 300,309,939,943.99
  5. Step 5: Solve for x
    x = 300,309,939,943.99/626,659.49
  6. Step 6: Final answer
    x = 479,223.48

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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.